key word index meaning in English

关键字索引

Using three office groupwares to weave author index and key words index for science and technology magazine
组件编制科技期刊的作者索引和关键词索引
As key words in many sci - tech research papers are too common to reflect the major ideas of the paper , this article discusses the correct approach to key words indexing
本文指出了目前科技论文关键词标引中存在不能准确反映论文的主题内容、通用词使用偏多、标引深度偏低等问题，提出了关键词正确标引的方法。