Extensions are provided for you to include classification annotations in a query.
还为您提供了扩展以便在查询中包括分类标注。
The essence of library traditional document organization and web information organization is knowledge organization, which basic methods include classification and subject.
图书馆传统文献组织与网络信息组织的实质是知识组织，分类法和主题法是知识组织的基本方法。
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