The system was primarily created for the classification of Chinese language materials in the Harvard-Yenching Institute Library which was founded in 1927.

这个分类法刚开始是为了分类于1927年建立的哈佛燕京学社图书馆的中文资料而创立的。

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The system devised by him was known as Harvard-Yenching Classification System.

他所发明的分类法即是哈佛-燕京分类法。

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Cannon was known as the "census taker in the sky, " and developed a stellar classification system that became the standard of the Harvard Observatory.

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