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单词
embryo sac
释义
embryo sac
简明释义
[植] 胚囊
网络释义
1
?胚乳囊
胚乳囊
短语
1
embryo sac
植
胚囊
2
embryo sac mother cell
大孢子母细胞 ;
植
胚囊母细胞
3
embryo sac haustorium
胚囊吸器
双语例句
1
Megaspore tetrad is linear. The chalazal megaspore develops into an
embryo
sac
of Polygonum type.
大孢子四分体为线形,合点端功能大孢子发育成为蓼型胚囊。
2
A mature
embryo
sac
is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells.
成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成),中央细胞及三个反足细胞。
3
TyPes of endosPerm and
embryo
sac
and structural feature of susPensor were also discussed.
还对沙打旺胚柄的构造特点,胚乳和胚囊的类型等进行了讨论。
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更新时间:2025/8/6 13:38:41