本文分析了自由词标引系统的优缺点。
The article analyzes the merits and demerits for the system of free term indexing.
在微机辅助文献标引系统中引入了自动标引方法，进一步提高了标引的速度和质量。
In the computer aided indexing system for the CCDOC (Chinese Chemical Document)database, we introduced an automatic indexing method, in order to further increase the speed and the quality of indexing.
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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