The results showed that there were obvious differences among the pollen grains in terms of pollen size, shape, colour and surface structures.
结果表明：所研究的植物花粉粒在大小、形态、萌发器官和外壁纹饰上有明显差异；
Except for some differences in exine ornamentation and pollen size, there is no great evolutionary divergence among genera in pollen morphology.
总体来讲，花粉没有大的演化分异，只是表面纹饰和花粉大小有一定的差异。
To find the reason of low seed-setting of red Pitaya, it compared flower shape, pollen size and pollen viability between red pitaya and white pitaya flower.
本试验通过红肉火龙果和白肉火龙果花的外形、花粉粒大小和生活力的差异比较，探究红肉火龙果授粉结实率低的原因。
The size of the grains is measured in millionths of a meter, but the romantic journeys of pollen are epic.
谷粒大小的尺寸被测量是一米的百万分之一，但是浪漫的旅行的传授花粉是史诗的。
The size and the forms of aperture of 10 cultivars and 22 species of pollen in Vitis were studied.
本试验对10个葡萄品种及22个野生种的花粉大小及萌发孔形状进行了观察。
The above characteristics were relation to the size of two kinds of plants, the time of flowers differentiation, the fruits position, pollen type on stigma, pollination system, habitat conditions.
这些特点与其两种花型植株的大小、花和果实分化的时间和位置、花粉源、传粉系统、花粉流及生境条件有关。
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。
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。
The results showed that:(1)There were no differences in fresh and GAF pollen shape and size of apricot, chinese date and grape.
结果表明，（1）杏、枣和葡萄等果树新鲜花粉与戊 二醛固定 花粉的形状及大小均无差异。
The pollen grains are small to medium in size and spheroidal or subprolate in shape, with a few being prolate.
一般中等大小，绝大多数为圆球形，少数为近长球形或长球形。
Pollen on Geranium Stigma: the size of the grains is measured in millionths of a meter, but the romantic journeys of pollen are epic.
天竺葵柱头上的花粉，花粉颗粒的尺寸以百万分之一米计量，然而其浪漫的旅程简直是史诗般的。
The Holocene stratum of Quzhou district is quite different from other areas of Hebei Plain in terms of the buried depth, thickness, depletion rate, color, grain size, structure and pollen assemblages.
河北平原南部曲周地区的全新世地层，在埋藏深度、地层厚度、堆积速率和颜色、粒度结构、孢粉含量与种属等方面，与河北平原其他地区不同。
Because of the characteristics of pollen and spores, such as small size, light weight, large amount, and difficult to be found, they can leave physical evidence and provide new clues to solve a case.
由于孢粉具有个体小、质量轻、数量多，不容易被发现等特征，给法医工作者留下证据，为破案提供有利线索，因此孢粉学在法医学实践应用中具有良好的应用前景。
Because of the characteristics of pollen and spores, such as small size, light weight, large amount, and difficult to be found, they can leave physical evidence and provide new clues to solve a case.
由于孢粉具有个体小、质量轻、数量多，不容易被发现等特征，给法医工作者留下证据，为破案提供有利线索，因此孢粉学在法医学实践应用中具有良好的应用前景。
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