One reason for this change was the increasing emphasis given to the historical approach to man.

这一变化出现的一个原因是人们越来越重视对人类的历史研究。

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The historical reason here is simple – mechanical design was a key element of manufacturing for many years.

历史原因很简单——机械设计多年以来一直是制造企业的一大要素。

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For this reason I am not at all anxious to take sides in the struggle between the followers of the classical philologic-historical education and the education more devoted to natural science.

正因为此，我一点也不急于在古典的语言—历史教育和更注重自然科学教育的两种方法的追随者们的斗争中表态。

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