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科学上的许多重大突破,都是一点点细微的成绩积累起来的。——童第周。
Many important scientific breakthroughs, it is a little small achievements accumulated.
youdao
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科学上的许多重大突破,都是一点点细微的成绩积累起来的。——童第周。
Many important scientific breakthroughs, it is a little small achievements accumulated.
youdao