元数据作为一种知识管理的工具，它在图书管理、文件和档案管理及网络信息资源管理中都有重要作用。
Metadata is one of the tools of knowledge management. It has important action in managements of library, file and information network.
元数据作为一种知识管理的工具，它在图书管理、文件和档案管理及网络信息资源管理中都有重要作用。
Metadata is one of the tools of knowledge management. It has important action in managements of library, file and information network.
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