embryo-sac

常見例句

• Both polygonum type and panicum type embryo sac have embellum.
  有性生殖和無孢子生殖的胚囊中均有胚珠附器存在;
• Abnormal development was observed at tetrad and mature embryo sac.
  在四分體和成熟胚囊時期觀察到了異常發(fā)育現(xiàn)象。
• Genesis of megaspore and development of embryo sac in Carica papaya L.
  番木瓜的大孢子發(fā)生與胚囊發(fā)育。
• These abnormalities would cause the abnormal structure of mature embryo sac.
  這些異常可能最終導致多種結構異常成熟胚囊的形成。
• While in the Angiophyta the female gametophyte is simply the EMBRYO SAC.
  被子植物門的雌配子體為簡單的胚囊；
• The development of embryo sac in Prunus americana Marsh var. is often abnormal.
  雞心李(Prunus americana Marsh var.;)
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