查询词典 exine

However, differences exist in pollen size, aperture, exine thickness and ornamentation.

但在花粉大小、萌发孔形状、外壁厚度以及表面纹饰等方面存在差异。

It is considered to be an original character that various processes densely arranged on the exine.

苔藓孢子的外壁纹饰不同，一般认为孢子外壁光滑是进化性状，外壁上各种突起排列密集的则较为原始。

The smooth exine is considered to be an evolutionary character.

孢子的颜色在遗传上具有相对稳定性，可能与生活环境、孢壁厚度、孢子体积、叶绿体数量和贮存物质有关。

All of the sterile pollens possessed malfunctioned exine.

不育花药中的Ca2+在花药发育的各时期均比可育花药要多。

The exine ornamentation was diverse, distinctly different among species even cultivars. For example, it was mainly striate-perforate in Sect.

花粉外壁纹饰在组内和栽培种群内有一定的相似性，但同时变异丰富，在不同种之间、甚至在不同品种之间区别明显。

Additionally,the pollen exine ultrastructure of C.korshinskyi was examined with TEM.

并用透射电镜观察了柠条锦鸡儿花粉外壁的超微结构。

The exine of mature pollen grains of Rhoiptelea chiliantha was studied. The size of the pollen grains is about 23 by 27 μm.

本文主要描述马尾树成熟花粉的外壁构造。

Pollen descriptions are given for 28 types based on pollen shape,aperture numbers and arrangement, and the ornamentation of exine.

根据花粉的萌发孔、外壁结构、外壁纹饰、形状及大小的演化趋势，讨论了各类型花粉的亲缘关系，构建了它们的系统演化路线图谱。

The present study examined its habits, morphology, pollen morphology including exine ultrastructure, floral organogenesis, and molecular phylogeny based on multiple regions of DNA sequences.

本文研究了该科植物的生活习性、外部形态、花粉形态和外壁超微结构以及花器官发生，并根据多个DNA区段的序列探讨了科的系统位置和属下关系。

The results declared the shape and size of the pollen and exine sculpture of the 5 species were basically stable and could serve as a taxonomic character.

因此花粉的特征可用于区别延胡索类植物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。