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href="https://cislunarspace.cn/en/glossary/observation/earth-atmosphere-off-axis-angle/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/gravitational-delay/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/gravitational-delay/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/gravitational-delay/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/grgm1200a/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/grgm1200a/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/grgm1200a/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/grgm660prim/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/grgm660prim/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/grgm660prim/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/kordylewski-cloud/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/kordylewski-cloud/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/kordylewski-cloud/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/kordylewski-clouds/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/kordylewski-clouds/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/kordylewski-clouds/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/lea/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/lea/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/lea/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/lunar-impact/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link 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href="https://cislunarspace.cn/en/glossary/observation/lunar-surface-coverage-assessment/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/observation-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/observation-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/observation-constellation/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/relay-observation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/relay-observation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/relay-observation/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/solar-suppression-angle/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/solar-suppression-angle/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/solar-suppression-angle/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/tsun/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/tsun/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/tsun/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/valuable-region/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/valuable-region/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/valuable-region/"/></url><url><loc>https://cislunarspace.cn/glossary/observation/w/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/observation/w/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/observation/w/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/absolute-navigation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" 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href="https://cislunarspace.cn/en/glossary/navigation/bidirectional-inter-satellite-ranging/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/caod/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/caod/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/caod/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/cislunar-space-satellite-navigation-system/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/cislunar-space-satellite-navigation-system/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/navigation/coverage-blind-spot/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/deep-space-navigation-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/deep-space-navigation-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/deep-space-navigation-constellation/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/deficient-rank/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/deficient-rank/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/deficient-rank/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/differential-correction/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/differential-correction/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/differential-correction/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/dro-gnss-shadowing-by-moon/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dro-gnss-shadowing-by-moon/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dro-gnss-shadowing-by-moon/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/dual-layer-isl/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dual-layer-isl/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dual-layer-isl/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/dual-navigation-satellite-scheme/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dual-navigation-satellite-scheme/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dual-navigation-satellite-scheme/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/earth-moon-barycenter-rotating-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/earth-moon-barycenter-rotating-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/earth-moon-barycenter-rotating-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/ekf/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/ekf/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/ekf/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/engine-limitation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/engine-limitation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/engine-limitation/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/extended-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/extended-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/extended-constellation/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/gnss-sidelobe-signal-navigation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/gnss-sidelobe-signal-navigation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/gnss-sidelobe-signal-navigation/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/grid-division-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/grid-division-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/grid-division-method/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/halo-orbit-rendezvous/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/halo-orbit-rendezvous/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/halo-orbit-rendezvous/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/high-precision-cislunar-space-time-benchmark/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/high-precision-cislunar-space-time-benchmark/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/high-precision-cislunar-space-time-benchmark/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/identifiability-information-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/identifiability-information-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/identifiability-information-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/inter-satellite-ranging/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/inter-satellite-ranging/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/inter-satellite-ranging/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/iterative-guidance/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/iterative-guidance/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/iterative-guidance/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/laod/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/laod/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/laod/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/lgnss/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link 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href="https://cislunarspace.cn/en/glossary/navigation/nrho-rendezvous-and-docking/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/ocbe/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/ocbe/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/ocbe/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/orbital-amplitude/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/orbital-amplitude/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/orbital-amplitude/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/orbital-rendezvous/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/orbital-rendezvous/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/orbital-rendezvous/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/phase-based-deployment-strategy/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/phase-based-deployment-strategy/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/navigation/primary-celestial-body/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/propulsion-error/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/propulsion-error/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/propulsion-error/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/rank-deficiency-problem/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/rank-deficiency-problem/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/navigation/relative-trajectory-following/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/sofc/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/sofc/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/sofc/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/starlight-angle/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/starlight-angle/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/starlight-angle/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/time-synchronization-accuracy/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/time-synchronization-accuracy/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/time-synchronization-accuracy/"/></url><url><loc>https://cislunarspace.cn/glossary/navigation/transfer-cost-heat-map/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/transfer-cost-heat-map/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/ggm05c/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/gl0660b/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/gl0660b/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/gl0660b/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/global-search/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/global-search/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/global-search/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/gpm/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" 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href="https://cislunarspace.cn/en/glossary/fundamentals/gravity-field-model/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/gravity-gradient-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/gravity-gradient-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/gravity-gradient-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/grgm660prim/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/grgm660prim/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/hill-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/hill-region-configuration/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/hill-region-configuration/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/hill-region-configuration/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/hill-region/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/hill-region/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/hill-region/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/homotopy-iteration-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/homotopy-iteration-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/homotopy-iteration-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/homotopy-method-homotopic-approach/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/homotopy-method-homotopic-approach/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/homotopy-method-homotopic-approach/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/homotopy-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/homotopy-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/homotopy-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/hyperbolic-manifold/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/hyperbolic-manifold/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/hyperbolic-manifold/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/ill-conditioned-state-transition-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/ill-conditioned-state-transition-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/ill-conditioned-state-transition-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/improved-bi-circular-model/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/improved-bi-circular-model/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/in-plane-amplitude/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/indirect-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/indirect-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/indirect-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/indirect-optimal-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/indirect-optimal-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/indirect-optimal-control/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/invariant-torus/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/invariant-torus/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/invariant-torus/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/it/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/it/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/it/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/jacobi-field/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/jacobi-field/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/jacobi-field/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/jacobian-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/jacobian-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/jacobian-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/kam-tori/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/kam-tori/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/kam-tori/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/l2-l1-homotopy/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/l2-l1-homotopy/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/l2-l1-homotopy/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/l3-point/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/l3-point/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/l3-point/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/l4-point/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/l4-point/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/l4-point/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/l5-point/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/l5-point/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/l5-point/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lagrange-multiplier/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lagrange-multiplier/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lagrange-multiplier/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lagrange-point/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lagrange-point/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lagrange-point/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lambert-flight-time-theorem/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lambert-flight-time-theorem/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lambert-flight-time-theorem/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lamberts-algorithm/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lamberts-algorithm/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lamberts-algorithm/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lamberts-problem/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lamberts-problem/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lamberts-problem/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/libration-point/</loc><lastmod>2026-07-31T05:23:11.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/libration-point/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/libration-point/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-series-expansion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-series-expansion/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-series-expansion/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/linearization/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/linearization/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/linearization/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lme2000/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lme2000/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lme2000/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/local-truncation-error/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/local-truncation-error/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/local-truncation-error/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/logarithmic-barrier-homotopy/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/logarithmic-barrier-homotopy/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/logarithmic-barrier-homotopy/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lorentz-contraction/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lorentz-contraction/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lorentz-contraction/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/low-thrust-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/low-thrust-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-control/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/low-thrust-propulsion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/low-thrust-propulsion/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-propulsion/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lp100k/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lp100k/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lp100k/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lp150q/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lp150q/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lp150q/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/ltp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" 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href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-irregularity/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field-model/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field-model/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-model/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-synodic-period/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/mact/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mact/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mact/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/mci/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mci/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mci/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/method-of-variation-of-constants/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/method-of-variation-of-constants/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/method-of-variation-of-constants/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/minimum-time-of-flight-min-tof/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/minimum-time-of-flight-min-tof/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/minimum-time-of-flight-min-tof/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/modified-delaunay-variables/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/modified-delaunay-variables/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/modified-delaunay-variables/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/moon-centered-inertial-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/moon-centered-inertial-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/moon-centered-inertial-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/mt/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mt/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mt/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/multi-body-dynamical-environment/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/multi-body-dynamical-environment/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/multi-body-dynamical-environment/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/multi-conic-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/multi-conic-method/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/nondimensionalization/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/normal-extremal/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/normal-extremal/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/normal-extremal/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/normalized-parameter/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/normalized-parameter/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/nsga-ii/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/nt/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/nt/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/nt/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/numerical-continuation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/numerical-continuation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/numerical-continuation/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/numerical-ephemeris/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/numerical-ephemeris/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/numerical-ephemeris/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/optimal-relative-motion-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/optimal-relative-motion-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/optimal-relative-motion-control/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/orbital-axis-slewing/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/orbital-axis-slewing/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/orbital-axis-slewing/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/orbital-coordinate-system/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/orbital-coordinate-system/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/osculating-orbital-elements/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/out-of-plane-difference/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/out-of-plane-difference/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/out-of-plane-difference/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pcr3bp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pcr3bp/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pcr3bp/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pdf-transformation-rule/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pdf-transformation-rule/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pdf-transformation-rule/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/phase-parameter/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/phase-parameter/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/phase-parameter/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/piecewise-polynomial-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/piecewise-polynomial-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/piecewise-polynomial-control/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pmp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pmp/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pmp/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pontryagin-optimality-conditions/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pontryagin-optimality-conditions/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pontryagin-optimality-conditions/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/position-angle/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/position-angle/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/position-angle/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/precession-nutation-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/precession-nutation-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/precession-nutation-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/precomputed-variational-data/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/precomputed-variational-data/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/precomputed-variational-data/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/primer-vector-equation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/primer-vector-equation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/primer-vector-equation/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/primer-vector/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/primer-vector/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/primer-vector/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/principal-axes-coordinate-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/principal-axes-coordinate-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/principal-axes-coordinate-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pseudo-potential-function/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pseudo-potential-function/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pseudo-potential-function/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pseudo-potential/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pseudo-potential/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pseudo-potential/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/pseudopotential/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pseudopotential/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/selenocentric-inertial-coordinate-system/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/selenocentric-instantaneous-earth-moon-plane-coordinate-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/selenocentric-instantaneous-earth-moon-plane-coordinate-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/selenocentric-instantaneous-earth-moon-plane-coordinate-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/sep/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/sep/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/sep/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/shape-parameter/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/shape-parameter/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/shape-parameter/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/shooting-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/shooting-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/shooting-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/single-shooting-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/single-shooting-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/single-shooting-method/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/slack-variable/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/slack-variable/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/slack-variable/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/small-denominator/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/small-denominator/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/small-denominator/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/smoothing-technique/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/smoothing-technique/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/smoothing-technique/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/sos/</loc><lastmod>2026-07-31T09:38:00.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/sos/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/sos/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/spherical-harmonic-expansion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/spherical-harmonic-expansion/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/state-equation/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/stm/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/stm/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/stm/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/strong-legendre-condition/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/strong-legendre-condition/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/symplectic-matrix/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/synodic-coordinates/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/synodic-coordinates/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/synodic-coordinates/"/></url><url><loc>https://cislunarspace.cn/glossary/fundamentals/synodic-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/synodic-frame/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/costate-normalization/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/costate-variable/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/costate-variable/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/costate-variable/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/coupled-cr3bp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/coupled-cr3bp/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/invariant-manifold/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/invariant-torus-manifold/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/invariant-torus-manifold/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/invariant-torus-manifold/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/inverse-polynomial-shape-function/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/inverse-polynomial-shape-function/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/solar-synodic-frequency/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spacecraft-formation-flying/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spacecraft-formation-flying/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spacecraft-formation-flying/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spatial-distribution-uniqueness/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spatial-distribution-uniqueness/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonic-gravity/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spherical-harmonic-model/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spherical-harmonic-model/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonic-model/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spherical-harmonics/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spherical-harmonics/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonics/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spherical-pendulum/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spherical-pendulum/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spherical-pendulum/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/spiral-mode/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spiral-mode/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/glossary/dynamics/sscrtbp/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/sscrtbp/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/stability-factor/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/stability-factor/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/stability-factor/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/stability-region/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/stability-region/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/successive-convex-optimization/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/sun-earth-manifold/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/sun-earth-manifold/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/sun-earth-manifold/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/sun-earth-rotating-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/sun-earth-rotating-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/sun-earth-rotating-frame/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/sun-earthmoon-synodic-coordinate-system/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/sun-earthmoon-synodic-coordinate-system/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/sun-earthmoon-synodic-coordinate-system/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/surface-to-mass-ratio/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/surface-to-mass-ratio/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/survival-map/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/switching-function/</loc><lastmod>2026-06-05T03:12:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/switching-function/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/switching-function/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/switching-surface/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/switching-surface/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/switching-surface/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/symbolic-manipulator/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/symbolic-manipulator/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/symbolic-manipulator/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/symplectic-geometry/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/symplectic-geometry/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/symplectic-geometry/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/symplectic-transformation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/symplectic-transformation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/symplectic-transformation/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/synodic-coordinate-system/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/synodic-coordinate-system/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/synodic-coordinate-system/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/system-to-system-transfer/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/system-to-system-transfer/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/system-to-system-transfer/"/></url><url><loc>https://cislunarspace.cn/glossary/dynamics/system-translation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/system-translation/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/navigation/cislunar-space-satellite-navigation-system/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/close-range-rendezvous/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/close-range-rendezvous/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/close-range-rendezvous/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/coverage-blind-spot/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/coverage-blind-spot/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/coverage-blind-spot/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/deep-space-navigation-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/deep-space-navigation-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/deep-space-navigation-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/deficient-rank/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/deficient-rank/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/deficient-rank/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/differential-correction/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/differential-correction/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/differential-correction/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/dro-gnss-shadowing-by-moon/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dro-gnss-shadowing-by-moon/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dro-gnss-shadowing-by-moon/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/dual-layer-isl/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dual-layer-isl/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dual-layer-isl/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/dual-navigation-satellite-scheme/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/dual-navigation-satellite-scheme/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/dual-navigation-satellite-scheme/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/earth-moon-barycenter-rotating-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/earth-moon-barycenter-rotating-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/earth-moon-barycenter-rotating-frame/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/ekf/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/ekf/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/ekf/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/engine-limitation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/engine-limitation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/engine-limitation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/extended-constellation/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/extended-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/extended-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/gnss-sidelobe-signal-navigation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/gnss-sidelobe-signal-navigation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/gnss-sidelobe-signal-navigation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/grid-division-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/grid-division-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/grid-division-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/halo-orbit-rendezvous/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/halo-orbit-rendezvous/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/halo-orbit-rendezvous/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/high-precision-cislunar-space-time-benchmark/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/high-precision-cislunar-space-time-benchmark/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/high-precision-cislunar-space-time-benchmark/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/identifiability-information-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/identifiability-information-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/identifiability-information-matrix/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/inter-satellite-ranging/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/inter-satellite-ranging/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/inter-satellite-ranging/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/iterative-guidance/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/iterative-guidance/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/iterative-guidance/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/laod/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/laod/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/laod/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lgnss/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lgnss/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lgnss/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lgps/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lgps/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lgps/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/liaison-navigation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/liaison-navigation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/liaison-navigation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/libration-point-navigation-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/libration-point-navigation-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/libration-point-navigation-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/libration-point-navigation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/libration-point-navigation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/libration-point-navigation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/linearization-method/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/linearization-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/linearization-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lnss-a/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lnss-a/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lnss-a/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lpo-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lpo-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lpo-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lunar-global-positioning-satellite-constellation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lunar-global-positioning-satellite-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lunar-global-positioning-satellite-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lunar-high-latitude-region/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lunar-high-latitude-region/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lunar-high-latitude-region/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/lyapunov-optimal-feedback-guidance/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/lyapunov-optimal-feedback-guidance/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/lyapunov-optimal-feedback-guidance/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/multiple-solutions-phenomenon/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/multiple-solutions-phenomenon/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/multiple-solutions-phenomenon/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/navigation-constellation/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/navigation-constellation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/navigation-constellation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/navigation-update-interval/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/navigation-update-interval/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/navigation-update-interval/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/normal-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/normal-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/normal-matrix/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/northern-and-southern-nrho-families/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/northern-and-southern-nrho-families/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/northern-and-southern-nrho-families/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/nrho-rendezvous-and-docking/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/nrho-rendezvous-and-docking/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/nrho-rendezvous-and-docking/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/ocbe/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/ocbe/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/ocbe/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/orbital-amplitude/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/orbital-amplitude/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/orbital-amplitude/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/orbital-rendezvous/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/orbital-rendezvous/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/orbital-rendezvous/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/phase-based-deployment-strategy/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/phase-based-deployment-strategy/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/phase-based-deployment-strategy/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/phasing-maneuver/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/phasing-maneuver/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/phasing-maneuver/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/primary-celestial-body/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/primary-celestial-body/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/primary-celestial-body/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/propulsion-error/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/propulsion-error/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/navigation/propulsion-error/"/></url><url><loc>https://cislunarspace.cn/en/glossary/navigation/rank-deficiency-problem/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/navigation/rank-deficiency-problem/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/continuous-low-thrust/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/control-regularization/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/control-regularization/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/control-regularization/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/costate-equations/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/costate-equations/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/effective-potential/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/effective-pseudo-potential/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/effective-pseudo-potential/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/effective-pseudo-potential/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/egm2008/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/egm2008/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/libration-point/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-series-expansion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lindstedt-poincar-series-expansion/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lindstedt-poincar-series-expansion/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/line-of-nodes-of-the-lunar-orbit/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/linearization/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/linearization/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/linearization/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lme2000/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lme2000/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lme2000/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/local-truncation-error/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/local-truncation-error/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/local-truncation-error/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/logarithmic-barrier-homotopy/</loc><lastmod>2026-07-31T16:08:17.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/logarithmic-barrier-homotopy/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/logarithmic-barrier-homotopy/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lorentz-contraction/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lorentz-contraction/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lorentz-contraction/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/low-thrust-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-control/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-propulsion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/low-thrust-propulsion/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/low-thrust-propulsion/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lp100k/</loc><lastmod>2026-07-31T16:08:17.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lp100k/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lp100k/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lp150q/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lp150q/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lp150q/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/ltp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/ltp/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/ltp/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-body-fixed-frame/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-body-fixed-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-body-fixed-frame/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-equatorial-plane/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-equatorial-plane/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-equatorial-plane/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravitational-potential/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravitational-potential/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravitational-potential/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-irregularity/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field-irregularity/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-irregularity/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-model/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field-model/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field-model/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-gravity-field/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-gravity-field/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-orbit-eccentricity/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-orbit-eccentricity/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-orbit-eccentricity/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-orbital-plane/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-orbital-plane/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-orbital-plane/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-sub-satellite-track/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-sub-satellite-track/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-sub-satellite-track/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/lunar-synodic-period/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/lunar-synodic-period/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/lunar-synodic-period/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/mact/</loc><lastmod>2026-07-31T16:08:17.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mact/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mact/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/mci/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mci/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mci/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/method-of-variation-of-constants/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/method-of-variation-of-constants/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/method-of-variation-of-constants/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/minimum-time-of-flight-min-tof/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/minimum-time-of-flight-min-tof/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/minimum-time-of-flight-min-tof/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/modified-delaunay-variables/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/modified-delaunay-variables/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/modified-delaunay-variables/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/moon-centered-inertial-frame/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/moon-centered-inertial-frame/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/moon-centered-inertial-frame/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/mt/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/mt/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/mt/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/multi-body-dynamical-environment/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/multi-body-dynamical-environment/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/multi-body-dynamical-environment/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/multi-conic-method/</loc><lastmod>2026-08-05T11:49:56.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/multi-conic-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/multi-conic-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/multiple-shooting-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/multiple-shooting-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/multiple-shooting-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/natural-continuation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/natural-continuation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/natural-continuation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/non-spherical-gravitational-potential/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/non-spherical-gravitational-potential/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/non-spherical-gravitational-potential/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/nondimensionalization/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/nondimensionalization/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/nondimensionalization/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/normal-extremal/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/normal-extremal/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/normal-extremal/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/normalized-parameter/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/normalized-parameter/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/normalized-parameter/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/normalized-units/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/normalized-units/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/normalized-units/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/nsga-ii/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/nsga-ii/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/nsga-ii/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/nt/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/nt/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/nt/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/numerical-continuation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/numerical-continuation/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/phase-parameter/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/piecewise-polynomial-control/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/piecewise-polynomial-control/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/piecewise-polynomial-control/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/pmp/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pmp/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pmp/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/pontryagin-optimality-conditions/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/pontryagin-optimality-conditions/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/pontryagin-optimality-conditions/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/position-angle/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/position-angle/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/position-angle/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/precession-nutation-matrix/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/precession-nutation-matrix/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/precession-nutation-matrix/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/precomputed-variational-data/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/precomputed-variational-data/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/fundamentals/pseudopotential/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/qc/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/qc/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/qc/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/reconstructed-harmonic-balance-method/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/reconstructed-harmonic-balance-method/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/reconstructed-harmonic-balance-method/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-analytical-approximation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/richardson-third-order-analytical-approximation/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-analytical-approximation/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-analytical-solution/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/richardson-third-order-analytical-solution/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-analytical-solution/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-expansion/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/richardson-third-order-expansion/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/fundamentals/richardson-third-order-expansion/"/></url><url><loc>https://cislunarspace.cn/en/glossary/fundamentals/right-ascension-deviation/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/fundamentals/right-ascension-deviation/"/><xhtml:link rel="alternate" hreflang="en-US" 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href="https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonic-model/"/></url><url><loc>https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonics/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spherical-harmonics/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spherical-harmonics/"/></url><url><loc>https://cislunarspace.cn/en/glossary/dynamics/spherical-pendulum/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spherical-pendulum/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spherical-pendulum/"/></url><url><loc>https://cislunarspace.cn/en/glossary/dynamics/spiral-mode/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spiral-mode/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spiral-mode/"/></url><url><loc>https://cislunarspace.cn/en/glossary/dynamics/spiral-region/</loc><lastmod>2026-08-08T02:45:06.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" hreflang="zh-CN" href="https://cislunarspace.cn/glossary/dynamics/spiral-region/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://cislunarspace.cn/en/glossary/dynamics/spiral-region/"/></url><url><loc>https://cislunarspace.cn/en/glossary/dynamics/srp/</loc><lastmod>2026-08-08T03:01:37.000Z</lastmod><changefreq>daily</changefreq><xhtml:link rel="alternate" 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