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胚囊管
meaning in English
embryo sac tube
secondary embryo-cord
Related Words
胞胚
胚冠
胚茎
幼胚
动胚
胚后期
胚表层
胚叶
胚环
胚体腔
胚囊
胚囊的正常壁
胚囊核
胚囊竞争
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