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Encyclopedia
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辞书的一种类型。以语言符号的指称物或比词大的语言单位(如成语、谚语、典故、掌故等)为收录对象,以条目的形式逐一提供必要的所指知识信息,按一定方式编排,以供查检的常用工具书。
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dictionary
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汇集语言里的词语,按某种次序编排,并一一加以诠释,以供人查阅的工具书。又称词典。
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center of a group
center of a group algebra
center of a lattice
center of a Lie algebra
center of an algebra
center of a neighborhood
center of an ellipse
center of an ellipsoid
center of a quadric
center of area
center of a representation
center of a ring
center of a set
center of a sphere
center of attaction
center of buoyancy
center of circumcircle
center of curvature
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Center of Environmental Emergency and Accident Investigation, Ministry of Ecology and Environment of the People's Republic of China
center of expansion
center of figure
center of force
center of gravity
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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