“孢原”造句

孢原細(xì)胞處于珠心表皮之下, 直接起大孢子母細(xì)胞的功能.
A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.

孢原細(xì)胞位于珠心表皮之下, 直接起大孢子母細(xì)胞的功能.
The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.

小孢子孢原為多細(xì)胞,小孢子母細(xì)胞減數(shù)分裂產(chǎn)生四面體型的小孢子四分體.
The tapetum begins to vary at the stage of tetrad with the cytoplasm anther cell.

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