S. R. Ranganathan puts forth the five laws of library science: " books are for use;"
阮冈纳赞提出了图书馆学五定律：“书是为了用的；
The paper analyzes the content of the "Five Laws of library Science", and sums up the features of the core competition of library.
本文分析了图书馆学五定律的内容，简述了图书馆核心竞争力的特征。
The paper analyzes the content of the "Five Laws of library Science", and sums up the features of the core competition of library.
本文分析了图书馆学五定律的内容，简述了图书馆核心竞争力的特征。
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