free indexing

The Using of Free Words in Subject Indexing for Retrieval Journals

检索期刊主题标引中自由词的运用

The Study of the Question of Free Indexing

自由标引问题研究

Rules of Free Term Indexing for Chinese Books Deposited in National Library of China

国家图书馆中文图书自由词标引规则

The Experiment on Comparing Automatic Indexing with Free Indexing of the News Database

新闻数据库自动标引与自由标引的比较实验

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.

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。

Thematic indexing is divided into free indexing and controlled indexing according to the post-trial world-list. The Study of a Numerical Controlled Indexing Mechanism for All the Surface of Bolted Sphere Node of Grid's Machining

主题标引依是否使用词表，分为自由标引和受控标引两种。网架节点球全球面数控分度夹紧装置研制

Free term indexing is a supplement for subject indexing of Chinese Classified Thesaurus.

自由词标引是对以《中国分类主题词表》为依据的主题标引的补充。