以下为句子列表：
英文: By taking advantage of the information retrieval technologies and the PULSAR, a high performance speech document retrieval system was developed, its three major modules are speech recognition, document indexing and playback.
中文: 利用自主开发的PULSAR语音识别系统及信息检索技术，设计实现了一套高效的语音检索系统。
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英文: Resource selection is one of the most important problems in distributed information retrieval.In this paper,resource selection is converted to document retrieval problem.Some document retrieval method is adopted to solve the resource selection problem.Eac
中文: 集合选择是分布式信息检索中的重要问题,将集合选择问题转化为文档检索问题,尝试了多种文档检索方法来解决集合选择问题,并将各种方法的文档检索结果与集合选择结果进行了对比,通过与经典的集合选择算法CORI相比较,实验发现语言模型的集合选择方法能够取得令人满意的结果。
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英文: This paper takes 60 kinds of the textbooks of the document retrieval lessonpublished in recent years in our library store for investigation object, to carry out statistics, analysis and discussion about the keywords that contains for the textbooks title,
中文: 摘要该文以本馆所藏近年来出版的60种《文检课》教材为调研对象，对题名所含关键词、撰写内容和结构、检索工具的种类、编写体例等进行统计、分析和探讨，论述了《文检课》教材发展特点，以及现存的优缺点，并对教材的编写提出建议。
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