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retrieval route
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retrieval route
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检索途径
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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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chemical literature database
chemical-looping combustion
chemical looping combustion power cycles
chemically activated reactions
chemically induced dynamic electron polarization
chemically induced dynamic electron polarization (CIDEP)
chemically modified electrode
chemically modified electrode (CME)
chemically modified electrodes
chemically modified optically transparent electrode
chemically peculiar star
chemically pure reagent
chemically pure reagent (C.P.)
chemically soluble substance
chemical machinery
chemical machining
chemical markup language
chemical master data management
chemical master equation
chemical material for vacuum electronic device
chemical materials room for cultural relic restoration
chemical mechanical planarization
chemical mechanical polishing slurry
chemical medium compressor
chemical method
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更新时间:2026/1/12 3:09:14