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检索语言主要包括分类检索语言、主题检索语言和分类主题一体化检索语言3种。主题检索语言,尤其是其中的分类主题一体化检索语言已崭露头角,将成为未来情报检索语言的主流。据不完全统计,1949～1991年我国共编制译印的主题词表有96部,出版主题检索语言专著20种,发表主题检索语言论文1077篇。其发展态势表明,在伴随图书情报事业的发展进程中,我国主题检索语言的理论与实践已经取得了长足的进步。
The search language includes three kinds of classified search language, thematic search language and the classified subject integrated search language. Thematic search language, especially the one-of-a-kind topic retrieval language, has become the mainstream of the future information retrieval language. According to incomplete statistics, there were 96 thesauri compiled and translated in China from 1949 to 1991, 20 kinds of monographs of thematic search language were published, and 1077 theses of thematic search theses were published. The development trend shows that in the process of the development of library and information services, the theory and practice of China’s topic retrieval language have made great strides.