20世纪中国图书馆学发展的三次高潮

Three Climaxes of Chinese Library Science Development during the 20th Century

百年图书馆学发展史上出现过三次发展高潮，前后约计４０余年。在此期间，图书馆学得到迅速发展。勾勒三次高潮概貌，总结图书馆学演进经验，有助于认清历史。

Abstract There are three climaxes of Chinese library science during its nearly 100 years′ development, lasting about more than 40 years. During this period, library science developed quickly. This paper depicts the general pictures of these climaxes and sums up the experience of library science development. This will benefit us to know the history and the future better.