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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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solar disturbances
solar disturbed daily variation
solar diurnal variation
solar dryer
Solar Dynamics Observatory
solar dynamo
solar ebb
solar eclipse
solar eclipse expedition
solar eclipse limit
solar ecliptic limit
solar electric generating
solar electrodynamics
solar electron event
solar energetic particle
solar energy
solar energy conversion
solar energy conversion efficiency
solar energy conversion polymer materials
solar energy panel
solar energy resource observation system
solar energy resources
solar energy resources in China
solar energy resources of China
solar energy, source of
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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