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单汉字索引
对文本中每一个汉字建立索引,记录下其出现的文档号和在文档中的位置等信息。在检索时采用后组配方式,将检索词字符串分解成单个汉字,以逻辑乘关系进行组配,从而获得检索结果。
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Marine Oil Spill Emergency Center
marine oil tank liquid level monitoring device
marine optical detection
marine organic pollutants
marine original theory of petroleum
marine ornamental fish
marine oxygen isotope
marine paleontology analysis
marine park
marine pathogenic contamination
marine pelagic fish
marine persistent organic pollutants
marine persistent toxic substances
marine phosphorus cycle
marine photic zone
marine photosynthetic bacteria
marine physical self-purification capacity
marine physics
marine phytoplankton
marine pipelines
marine plankton
marine plant resources
Marine Policy for America
marine pollutant
marine pollutant transfer
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:2026/1/15 14:20:43