| 1. | Both the pollen grains and the gynoecia are active . 花粉粒和雌蕊都具有活力。 |
| 2. | The probability of any air-borne pollen grain impacting a female strobilus is in any case very small . 任何在空气中飘浮的花粉粒粘着于雌球花的几率,在任何情况下都是很小的。 |
| 3. | At first brown attributed the motion to a mobility possessed by the pollen grains by virtue of their animate nature . 起初,布朗把这种运动归结为由花粉生物性质所决定的迁移过程。 |
| 4. | The results from the pollen densitometers indicate the number of pollen grains sucked into a device per square millimeter of the aperture . 花粉显像密度计的计算结果,可以表明每一平方毫米孔径上吸入的花粉粒数。 |
| 5. | Morphology of pollen grains in camellia under light microscope 植物花粉形态的光学显微镜观察 |
| 6. | Pollen grains are rich in mitochondria , golgi apparatus , and endoplasmic reticulum 花粉粒富含线粒体、高尔基体以及内质网上。 |
| 7. | The hard coats of spores and pollen grains are preserved better , forming microfossils 孢子和花粉粒的坚硬外壳被完好保留下来形成微化石。 |
| 8. | In 1827 , upon observing a suspension of pollen grains in water , he discovered brownian motion 在1827年,在观察水中悬浮的花粉粒时,发现了布朗运动。 |
| 9. | The outer wall ( extine ) of the pollen grain is often diagnostic ( see pollen ) and very resistant to decay 花粉粒外壁(花粉壁)通常为特异性的并很难腐烂。 |
| 10. | Each lobe contains two pollen sacs that produce very large quantities of small pollen grains 左右两侧花粉囊之间是薄壁细胞构成的药隔,药隔中的维管束与花丝维管束相连。 |