NICE
发表于 2025-3-28 17:00:03
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Boycott
发表于 2025-3-28 22:25:08
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感激小女
发表于 2025-3-29 02:40:58
Motion of the Moon about its Center of Gravity; Physical Librations, the well-known Eulerian equations of motion of a solid body about its center of gravity assume the forms . where .. stand for the angular velocities of rotation about the respective axes; and .., for the components of the forces acting on the Moon from outside.
压舱物
发表于 2025-3-29 03:52:43
Dynamics of the Earth-Moon Systems which were so far not discussed (or only briefly referred to) in the text, and which are concerned with the gravitational interaction of the two bodies, or properties of their motion over long intervals of time.
表示向前
发表于 2025-3-29 09:07:00
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征兵
发表于 2025-3-29 13:46:56
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让步
发表于 2025-3-29 19:33:57
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确定方向
发表于 2025-3-29 21:46:43
https://doi.org/10.1007/978-3-642-57550-1) under these conditions are shown on Figures 8–2 and 8–4. If so, however, it is reasonable to inquire as to whether such material would be susceptible of actual . over time intervals comparable with the age of the Moon; but before attempting to answer this question, let us inquire first about a pos
PHIL
发表于 2025-3-30 02:47:24
Die europäische Industriegesellschaftsphaericitatis exsistere, ut magna Philosophorum cohors de ipsa deque reliquis corporibus coelesti-bus opinata est, sed contra inaequalem, asperam, caritatibus tumoribus confertam, non secus ac ipsiusmet Telluris faciem, quae montium ignis vallumque profunditatibus hic inde distinguitur”.**
MAG
发表于 2025-3-30 05:34:25
Basic Facts: Distance, Size, and Masslendar: the month became a unit of time long before the concept of the year emerged from accumulating observations; and the Moon as the graceful carrier of this knowledge thus gained entrance, as a female deity, to the pantheons of most ancient nations.