网络信息资源的著录项目和著录格式是元数据的两个内涵，元数据是网络信息有序化的关键技术之一。
The cataloging items and cataloging form of network information resources are two connotations of metadata, metadata is one of the key technologies in ordering network information.
网络信息资源的著录项目和著录格式是元数据的两个内涵，元数据是网络信息有序化的关键技术之一。
The cataloging items and cataloging form of network information resources are two connotations of metadata, metadata is one of the key technologies in ordering network information.
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