地球自转从哪来的能量?会不会用完?呵呵````引力是内部的,也能左右地球么?就像人不能搬起他自己一样.主要问题是:地球自转的能量是从来来的呢?或者说,谁给予的呢?

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 21:48:49
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