This is of course based on objective, scientific data obtained through years of research.

当然，这个论断是基于多年研究得出的客观科学数据。

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Research on Topic Map-based Knowledge Management of Course Realm;

课程内并均将各领域的基础知识作一简介及复习。

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Research on Topic Map-based Knowledge Management of Course Realm;

课程内并均将各领域的基础知识作一简介及复习。

youdao