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单词 种子植物
释义 〔tracheophyte〕Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem.导(维)管植物:任何种类的维管植物,包括种子植物和蕨类植物,具有木质部和韧皮部导管系统〔eustele〕The central cylinder in which the primary vascular tissue is arranged around a pith, as in most seed plants.真中柱:一种管状中柱,其中初生脉管组织排列在髓孔周围,存在于大多数种子植物〔pollen〕The fine, powderlike material consisting of pollen grains that is produced by the anthers of seed plants.花粉:由种子植物的花药所产生的含有花粉粒的粉粒状的细致物质〔spermatophyte〕A seed-bearing plant, such as a conifer or a flowering plant.种子植物:产籽的植物,如针叶树或开花植物
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