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关注:1
2013-05-23 12:21
求翻译:body in motion remains in motion at a constant speed in a straight line unless acted upon by an external force.是什么意思? 待解决
悬赏分:1
- 离问题结束还有
body in motion remains in motion at a constant speed in a straight line unless acted upon by an external force.
问题补充: |
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