“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	Line Drawing line drift line driver line element line element field line-ellipse intersection Line Embroidery of Lotus and Mandarin Duck Book line emission line emission cloud line emission nebula line entity line equation line feed line flyback pulse line formation line frequency line geometry line graph line grating line group line identification Line Identifications of the Radio Astronomy Spectrum line image sensor line integral line intensity

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