萌爷爷讲名人故事：科学家的秘密武器-<artentek>电子书

萌爷爷讲名人故事：科学家的秘密武器

作者：董仁威

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内容简介:

同学们，你们可知道，那些优秀的科学家们都有自己的“秘密武器”？依靠这些“秘密武器”，他们成了人类的精英，为人类的生存发展做出了卓越的贡献。你想知道这些“秘密武器”是什么吗？萌爷爷将在这本书中为你一一揭晓。

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