“extraction indexing”的概念、定义、翻译、参考文献-科学参考

单词	extraction indexing
释义	extraction indexing Encyclopedia 管理学标引释 extraction indexing抽词标引不依据词表，直接从被标引文献的题名、文摘或正文中抽取标引词，以表达文献主题内容的标引方法。简称抽词。
随便看	unidirectional dictionary unidirectionality unidirectional point source unidirectional replication unidirectional word problem unidirection traveling wire electrical discharge machining UNIDROIT UNIFAC unifactor unifactor theory unifarious unifiable unification unification algorithm unification-based grammar unification expression unification grammar unification of the national fiscal and economic work Unification of the written and spoken language unification records Unification Theory of Ancient Chinese Drama unified unified and decentralized management system unified-carrier TT&C system Unified Chinese Characters List for Names of Some Measurement Units

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