主题标引是建立“节水农业文献数据库”主题检索系统的关键工作。
Subject indexing is the key step in creating subject retrieval system of water saving agriculture literature database.
介绍了检索语言，分析了检索语言在图书馆和检索系统中的应用，论述了分类和主题方法。
This paper introduces the retrieval language, analyzes on the application of the retrieval language in library and retrieval system, and discusses on the methods for the classification and subject.
多检索系统的投票机制，能大幅提高主题提取子任务的性能。
We also use a multiple systems vote mechanism on the topic distillation subtask, and get an obvious improvement.
文章介绍了网上法律信息检索的途径，包括利用搜索引擎、官方网站、法律检索系统、法律法规网、法学主题指南或法学虚拟图书馆以及其它来源渠道。
The article introduces sources of law information search engine official website online law information system, websites of legislation, subject guide or virtual library on law.
文章介绍了网上法律信息检索的途径，包括利用搜索引擎、官方网站、法律检索系统、法律法规网、法学主题指南或法学虚拟图书馆以及其它来源渠道。
The article introduces sources of law information search engine official website online law information system, websites of legislation, subject guide or virtual library on law.
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