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单词
dicotyledons
释义
dicotyledons
Encyclopedia
理学
植物学
释
dicotyledons
双子叶植物
被子植物具有两枚子叶植物的统称。经典分类中被子植物的两大类群之一(另一类群为单子叶植物)。
理学
古植物学
释
dicotyledons
双子叶植物
胚一般有两枚子叶的开花植物的总称。旧称双子叶植物纲、木兰纲。约有199 350种。
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point of alternation
point of application of a vector
point of approximate continuity
point of approximate discontinuity
point of attraction
point-of-care testing
point of cessation
point of closure
point of condensation
point of congruence
point of contact
point of continuity
point of contrary flexure
point of control
point of convergence
point of density
point of determinacy
point of discontinuity
point of dispersion
point of divergence
point of division
point of double inflexion
point of emanation
point of fracture
point of geological observation
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