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。
The system was primarily created for the classification of Chinese language materials in the Harvard-Yenching Institute Library which was founded in 1927.
在民国时期种类繁多的社会调查中，以燕京大学社会学系为主体所进行的一批社会调查迄今为止尚未在学界引起多少注意。
In many kinds of social investigation appeared in Republic China, the investigation by the Department of Sociology of Peking University has barely been noticed so far by academic circles.
在民国时期种类繁多的社会调查中，以燕京大学社会学系为主体所进行的一批社会调查迄今为止尚未在学界引起多少注意。
In many kinds of social investigation appeared in Republic China, the investigation by the Department of Sociology of Peking University has barely been noticed so far by academic circles.
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