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hypernym indexing
上位词标引
一种主题标引方式。在标引时,没有找到与文献主题含义相对应的专指概念或组配概念,而使用词表中概念更加宽泛的上位概念进行标引的方法。又称上位标引。
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Canada balsam
Canada Basin
Canada bluegrass
Canada Bruce Nuclear Power Plant
Canada Chinatown
Canada Company
Canada Copyright Modernization Act
Canada Corn Act
Canada-Cronkhite syndrome
Canada Dugout Canoe
Canada First
Canada-France-Hawaii Telescope
Canada-France redshift survey
Canada goldenrod
Canada-India Reactor
Canada Institute for Scientific and Technical Information
Canadand the South African War
Canada Peacekeeping
Canada Pension Plan
Canada professional sports
Canadarm
Canada's Centennial Celebrations
Canada Science and Technology Museum
Canada's First Nations
Canada thistle
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。
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更新时间:2024/12/26 1:24:34