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关注:1
2013-05-23 12:21
求翻译:At every point on the earth`s surfac, the angle at which the sun`s ‘rays’ fall must consequently increase and decrease annually.是什么意思? 待解决
悬赏分:1
- 离问题结束还有
At every point on the earth`s surfac, the angle at which the sun`s ‘rays’ fall must consequently increase and decrease annually.
问题补充: |
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