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英语
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求译:Does centripetal force of the force of gravity bring orbiting bodies to the earth's surface?
人气:424 ℃ 时间:2019-12-13 16:17:13
解答
是否是地球重力所产生的向心力使得在轨物体(如人造卫星等)返回地球表面呢?
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