共和国 发表于 2025-3-23 12:14:41

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两种语言 发表于 2025-3-23 14:15:14

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嘲弄 发表于 2025-3-23 21:14:40

Generalized Continua as Models for Materialssatellite orbit directly from the ground; in Keplerian mechanics the only possibility would be a horizontal launch; obviously the topography and the atmosphere raise insurmountable difficulties, and such a launch is merely a theoretical notion.

Axillary 发表于 2025-3-23 22:32:03

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Vasoconstrictor 发表于 2025-3-24 02:20:21

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生命 发表于 2025-3-24 07:54:49

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heartburn 发表于 2025-3-24 13:16:20

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鸵鸟 发表于 2025-3-24 15:39:40

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Brain-Imaging 发表于 2025-3-24 21:36:13

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噱头 发表于 2025-3-25 02:07:52

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查看完整版本: Titlebook: Experimental Astronomy; Jean-Claude Pecker Book 1970 D. Reidel Publishing Company, Dordrecht, Holland 1970 Celestial mechanics.artificial