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tom wachowski (2023-11-07 23:55:21)
这本是陈振盼系列比较一般的一本,自然科学启蒙里面有一本讲万有引力的比这个要好的多。本书特点是字少极少,直观,适合小龄,但小龄也不一定能完全明白重力的概念。结论是这本可以不买。陈振盼的大峡谷和六百年墙裂推荐
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