楼主: 泽野xtl
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求助帖:毕设老师给的题目是把一个50kg重,秒速300m的东西减速到零 |
发表于 2024-10-12 08:36:13
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发表于 2024-10-12 15:31:26
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发表于 2024-10-12 23:21:27
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