本文探讨了叙词表的概念与应用特点；从叙词表到叙词网络；叙词表在网络信息检索系统中的应用。
This article discussed the concept and application of thesaurus, from thesaurus to thesaurus network, its application of Web information retrieval system.
叙词表中的每个词汇都称为叙词，每个叙词都表达一定的概念。
Each word in the thesaurus is called a descriptor; each descriptor expresses a certain concept.
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