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检索途径
释
retrieval route
检索途径
检索途径是信息检索的入口点,又称检索点。依据文献的外部特征(题名、责任者、出版者、出版时间等)和内容特征(分类号、主题词、关键词或自由词等)确定,是信息检索的入口点。在网络环境下,不同的检索途径往往通过相应的字段限制检索来实现。又称检索点。
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purification machine
purification of bioleaching solution
purification of coarse sodium tungstate solution
purification of colloid
purification of crude titanium tetrachloride
purification of organic waste gas by catalytic combustion
purification of water supply
Purification rite
purification tank technique for treatment of domestic sewage
purification technology for flue gas of electric furnace steelmaking
purified water
purifier
purifloc
purifying procession before a Buddhist ceremony
purify technology for directly buring coal
Purim
purine
purine alkaloid
purine nucleotide degradation
Purisa Djordjevic
Puritan Movement
Puritans
purity
purity analysis
purity analysis of biological medicine
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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