“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	earphone earphone for speech communications earpiece earplugs ear preparations ear protector ear rate earring earshot ear swell ear block ear tag Earth earth earth anchor Earth and Planetary Science Letters earth and rockfill dam earth and rock filling of railway earth-approaching asteroid earth-approaching comet earth-approaching object Earth Art earth atmosphere earth attraction earth auger earth axis

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。