- 双语例句
1、
The chalazal megaspore of a linear tetrad develops into a polygonum type sac.
四分体线行排列,合点端的大孢子发育为蓼型胚囊.
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2、
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.
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3、
A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.
孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.
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