The books administrative system is an indispensable part of some units, the books are mankind's indispensable nourishment for the mind, it is especially important for some schools.
图书管理系统是一些单位不可缺少的部分，书籍是人类不可缺少的精神食粮，尤其对一些学校来说，尤其重要。
The books administrative system is an indispensable part of some units, the books are mankind's indispensable nourishment for the mind, it is especially important for some schools.
图书管理系统是一些单位不可缺少的部分，书籍是人类不可缺少的精神食粮，尤其对一些学校来说，尤其重要。
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