【摘要】 在分析了后控词表的历史、发展、原理、功能后 ,比较了情报检索过程中有后控词表进行检索和无后控词表进行检索的区别 ,最后统计分析了我国后控词表的研究现状更多还原

【Abstract】 The paper discussed the history and development and principle and function of post controlled vocabulary,then compared retrieval course having post controlled vocabulary and without post controlled vocabulary,and then analyzed the papers on post controlled vocabulary.更多还原