范畴索引是将主表的主题词按其学科及词义范畴划分为若干级类,每类之下再依主题词的字顺排列而构成分类系统。范畴索引是将无内在联系的以字顺排列的主题词进行有内在逻辑联系的显示,以达到: 1.从学科分类和专业的角度查找主题词,作为标引和检索的辅助工具。 2.对在主表中查到的主题词在分类系统中能发现相关主题词以及词间关系(属,代,分,参)
本文运用树形结构原理，对汉语主题词范畴索引进行了计算机模型设计。
A computer model of category index for Chinese thesaurus is designed by using a tree structure in this paper.
本文从要研讨和剖析垂曲搜索引擎的传布特征及其反在图书信做搜索效劳范畴的当用现状。
This text mainly studies and analyzes the spread characteristic of the vertical search engine and current application situations in the field of information search service of the books.
一切，我们都是根据自己的经验以及搜索引擎算法所允许的技术范畴之内实施搜索引擎优化项目。
All, we are all based on our experience and search engine algorithm technology allowed within the context of the implementation of SEO projects.
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