venation是什么意思

网络释义

用法例句

The present paper conducts the comparative observation on leaf venational morphology of 3genus and 5 species in Calycanthaceae.

对蜡梅科3属5种进行叶片脉序的比较观察，结果表明，它们的一级脉中等粗细，二级侧脉较多，与一级脉连接形成环节曲行羽状脉或网节曲行羽状脉，二级脉弧曲上升，三级脉贯穿型或结网型，叶缘末端为不完全型；网眼大小、形状不规则，发育均为不完善型。

Leaf venation of all the 20 species of Caesalpinia occurring in China were studied.

对中国云实属植物小叶叶片脉序的观察表明,该属植物小叶叶片脉序类型非常一致,均为环结曲行羽状脉,二级脉急转曲行。

This paper had provided the fundamental information about the venation of 15 genera 36 species in Lepidieae (Crucifeae) and found it s venationwas divided into 5 types: Brochidodromoides Brochiodromous Basal perfect Actinodromous, Craspedo dromoides, Craspedodromous.

通过对十字花科独行菜族１５属３６种植物叶片脉序的观察，发现它们的脉序可分为５种类型，即：拟环结曲行羽状脉、环结曲行羽状脉、基出完全掌状脉、拟直行羽状脉、直行羽状脉，这些类型可做为区别属间的较好性状。

The present paper conducts the comparative observation on leaf venational morphology of 8 species and 1 variety in Lepidium.

对独行菜属（Ｌｅｐｉｄｉｕｍ）８种、１变种进行了叶片脉序的比较观察，结果表明：它们的一级脉中等粗细，基部１～２对侧生，一级脉与二级脉连结成拟环结曲行羽状脉；三级脉贯穿型或结网型；叶缘末级脉为不完全型；网眼大小、形状不规则，发育均为不完善型。

Comparative Observation on Venation about Four Genera in Cruciferae

十字花科四属植物叶片脉序的比较研究

Research on Leaf Venation Growth in Different Joint Positions of Solanaceous Vegetables

茄果类蔬菜作物不同节位叶片脉序发育的研究

A key to the species of Caesalpinia based on leaf venation characters is presented.

编写了中国云实属植物叶片脉序特征分种检索表。

Venation The distribution of veins (vascular strands) in a leaf.

脉序：是叶片中各叶脉(维管束)的排列分布状态。

Distribution or arrangement of a system of veins, as in a leaf blade or the wing of an insect.

脉序脉系统的分布或安排，如在叶片或昆虫的翅膀上

The leaf venation of eighty-nine species, including two exotic species, were cleared and observed.

制作并观察了89种植物叶片的脉序,其中2种为外国种。

Vein One of the vascular bundles in a leaf. The pattern in which the veins are arranged in a leaf is called the VENATION.

叶脉：叶片中的维管束结构。在叶片中，所有叶脉排列的方式称脉络。

Having indentations extending to the midrib or base and forming distinct lobes

"叶边延伸到叶中脉或叶基部,而形成明显裂片的."

Study on Characteristics of Tobacco Leaf Veins and Its Impact Factors

烟草叶片脉络性状及影响因素的研究

Optimization of multileaf collimator leaf sequences based on multiple algorithms

基于多算法比较的多叶准直器叶片序列优化

orchid having two triangular leaves and a short lax raceme of green to rust-colored flowers with the lip flushed mauve; Europe and Asia and North America and Greenland.

有两片三角形叶子的兰花，总状花序短

A opmizing sequencing of compressor vanes based on simulated annealing partheno genetic algorithm

基于退火单亲算法的压气机叶片排序

Dynamic Characteristics Analysis of Blades and Check of NEWMARK Program

叶片的动力学特性分析及NEWMARK程序校核

The name of a leaf that is used when the leaf is accepting input transactions. The leaf must always have an input name.

当叶片接受输入交易（事务处理程序）时使用的叶片名。叶片必须有输入名。

Simulation study of stochastic fluctuating wind field for wind turbine blades

风力机旋转叶片脉动风场建模与数值仿真

Comparison of Chemical Component Contents in Tobacco Leaf Veins

烤烟叶片脉络系统化学成分含量的比较

Dynamic analysis of blade based on the unsteady airflow pulsation

基于非定常气流脉动的叶片动力学分析

Relationship Between Medial Axis Pattern of Plant Leaf and Mechanics Self-Adaptability(Ⅱ): Vein Structures with Different Vector Angles and Topological Pattern of Plant Leaf

植物叶片中轴图式与力学自适应性的关系(Ⅱ)——不同向量角的叶脉结构和叶片拓扑图