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文献分类标引
利用某种文献分类法及其标引规则,依据文献内容主题及其部分外部特征,赋予文献分类号的过程。又称文献分类。
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Natufian Culture
natural
natural abrasive
natural additive functional
natural adhesive
natural aging
natural amaranthus red
natural amino acid
natural amino acids
Natural and Cultural Heritage of the Ohrid region World Cultural and Natural Heritage
natural angle of repose
natural asphalt of Jōmon Period
natural asset account
natural attenuation
natural attenuation of pollutants
natural attributes of population
natural background radiation
natural bacteria fibers
natural-based adhesive
natural basis
natural bear bile powder
natural belt
natural bias
natural bioactive peptide
natural biological component
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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