这个文本搜索包和它的相关函数被称为文本搜索引擎，它是专门设计用来执行文本数据的快速检索和自动索引。
This text search package and its associated functions, referred to as the text search engine, is specifically designed to perform fast retrieval and automatic indexing of text data.
这种检索方法在文本聚类的基础上，基于概念空间并与传统的关键词检索相结合能够帮助用户快速、准确地定位所需要查找的信息。
Based on concept space and text clustering technique as well as traditional keyword searching method, it could help users to locate the information they need quickly and precisely.
Extenza提供了一个简单快速的的方式进入学术和专业杂志里，通过主体范围检索核查找全文本和PDF格式等文章。
Extenza provides a quick and easy way to access academic and professional publications. Search or browse for full text and PDF articles from leading publishers across a range of subject areas.
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