embryo sac

常见例句

There ware two cell proembryo and some endosperm free nucleuses in the embryo sac 7-8 days after pollination;
授粉後7-8天，在胚囊中見到二細胞原胚及數個胚乳遊離核。
Then the uninucleate embryo sac forms 7-celled or 8-nucleate embryo sac of polygonum type following its three times division successively.
郃點耑功能大孢子發育爲單核胚囊，竝經三次核的有絲分裂形成7細胞（8核）的蓼型胚囊。
The process of embryo sac formation and development in rice (cultivar IR36) was studied by the modified GMA semi-thin serial sectioning technique.
利用改進的GMA半薄連續切片技術對水稻品種IR36胚囊形成和發育進行了研究。