通过问卷调查，分析和探讨学术期刊中的关键词标引和分类标引的规范问题。

This paper analyzes and discusses the normalization problems of indexing and classification indexing in the academic journals through questionnaire survey.

youdao

通过问卷调查，分析和探讨学术期刊中的关键词标引和分类标引的规范问题。

This paper analyzes and discusses the normalization problems of indexing and classification indexing in the academic journals through questionnaire survey.

youdao