英汉词典

1.At the late stage of the sporogenous cells, mother pollen cells and microspores, the vacuoles remarkably increased in quantity or size.

在次生造孢细胞、花粉母细胞和小孢子后期都有液泡数量明显增加或体积增大的过程。

2.After the meiosis, however, the microspores began to degenerate to become blighted and wrinkled ones, starting from the deforming of their walls and concentration of their protoplasm.

减数分裂后，小孢子开始退化，首先是小孢子壁开始变形，随后原生质浓缩，形成干秕、皱缩的小孢子。

3.The development processes of anthers and microspores of C-cytoplasmic male-sterile lines and its maintainers in corn were observed and compared by the light and the electron microscope.

利用光学和电子显微镜对玉米C型胞质雄性不育系和保持系的花药与小孢子发育过程进行对比观察。

4.The result indicated that the microspores of all types of male sterile maize displayed degradation of nuclear matters, just the time was different.

结果表明，几种不育类型小孢子均表现核物质的降解，只是降解的时期不同。

5.Before that, most microspores formed vacuoles. At last there left empty cavities.

败育前，小孢子大量液泡化，最后只剩空腔。

6.The mutant has small siliques with no seed set. Cytological observation showed that during anther development, the microspores ruptured and no pollen grains formed in the mutant anther locules.

细胞学观察和扫描电镜结果表明，突变体花药发育过程中， 花药中小孢子外壁异常、破裂， 最后没有花粉形成。

7.Microspores further develop to form normal pollen.

小孢子进一步发育形成正常的花粉粒。

8.The results showed that microspore mother cells and tetrad microspores accumulated numerous lipids but no starches.

结果发现小孢子母细胞和四分体小孢子中积累了一些脂滴，但没有淀粉。

9.Finally, 92.6%-94.8% of microspores could develop into normal and stainable pollen grains.

最终有92.6%—94.8%的小孢子能发育成形态正常、染色能力强的成熟花粉粒。