Classification is a sort of important information retrieval language, also a tool of scientific and automatic management on information resources.

分类法是一种重要的信息检索语言，也是实现信息资源管理科学化、自动化和网络化不可缺少的工具。

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Classification is a sort of important information retrieval language, also a tool of scientific and automatic management on information resources.

分类法是一种重要的信息检索语言，也是实现信息资源管理科学化、自动化和网络化不可缺少的工具。

youdao