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1·The mature pollen grain is 2-celled.

成熟花粉为2 -细胞型。

2·The mature pollen grain is of 2-cell.

成熟花粉为二细胞型。

3·But H8 strain's pollen grain of SP3 generation is distorted and shrunken.

而SP3代H 8株系两性花的花粉粒皱缩、扁瘪、塌陷。

4·The polysaccharoses present in the mature pollen grain accompary with proteins.

成熟花粉粒中多糖和蛋白质并存。

5·The pumpkin pollen grain in the middle is0.2mm and just about visible to the naked eye

中间的南瓜花粉有0.2毫米，肉眼刚刚能看见。

6·Pollen grain is mainly 2-celled type when shed, occasionally 3-celled type, and has three apertures.

成熟花粉多为2 -细胞型，偶见3 -细胞型，具三萌发孔。

7·It has been magnified 115 times, but it contains long hairs such as cat fur, twisted synthetic and woollen fibres, a pollen grain, plant and insects.

它被放大了115倍，其中包括猫毛、扭曲的合成和羊毛纤维、花粉粒、植物和昆虫之类的长毛。

8·In present work, the development of anther, formation of pollen grain and development of ovule and formation of embryo sac in Ramie were observed.

本工作对苎麻花药的发育和花粉粒的形成、胚珠的发育和胚囊的形成进行了观察。

9·Household dust which includes long hairs such as cat fur, twisted synthetic and woollen fibres, serrated insect scales, a pollen grain, plant and insect remains.

家庭灰尘，可以看到包括猫毛，扭曲的合成和羊毛纤维，锯齿状的昆虫鳞屑，花粉粒，植物和昆虫尸体。

10·The results showed that the pollen shapes of all 11 cultivars were near spherical in equatorial view. The size of pollen grain showed great variation among cultivars.

结果表明：11份花粉都呈近球形，花粉粒大小在所观察的材料间有较大差异。