鉴于高校学报学术论文中关键词标引现状，探讨了关键词的概念和如何抽取，介绍了自由标引关键词的方法，旨在使学报关键词的标引更加快捷、准确和规范。

This paper discusses the existing problems in key words indexing and introduces the free indexing methods in an effort to get the accurate and standardized key words efficiently.

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必须从文献工作标准化建设的高度，加强对期刊关键词的规范控制，提高标引质量。

Thus, to make further improvement on the indexing quality, we must aim high for the standardization of the documenting by enhancing the keyword standardization of the academic journals.

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以此为基础，完成了一个关键词自动标引系统，详细描述了系统实现的总体流程和功能模块。

The paper constructs a key words auto-indexing system, and introduces detailedly its overall process and functional module.

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