generative nucleus造句

例句与造句

1. Generative nuclei the two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms
   雄原核：在被子植物花粉管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。
2. Cupressus ) the pollen grains contain just two nuclei : a generative nucleus and a vegetative nucleus ( tube nucleus )
   当花粉粒形成后，花粉粒壁上分布有萌发孔，花粉管从萌发孔处向外突起形成管状结构，生殖核转入管中。
3. It's difficult to find generative nucleus in a sentence. 用generative nucleus造句挺难的