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文章论述了文献标引对文献数据库建设的重要性。在说明最优化标引衡量标准的基础上，着重提出了标引人员的素质、标引规则的制定、叙词表的适用性、主题分析、主题词的选用等是实现最优化标引的重要因素；最后，介绍了几种标引方法
The article discusses the importance of document indexing to the construction of document database. On the basis of the description of the optimal indexing standard, it puts forward the importance of indexing personnel, the formulation of the indexing rules, the applicability of the thesaurbs, thematic analysis and the selection of the keywords to achieve the optimal indexing Factors; Finally, introduced several indexing methods