查询词典 two dimensional

Quadrates collected from Luya Mountains were classified into 28 types by TWINSPAN, which belong to seven vegetation types. The result of DCA indicated that those 28 types were reliable. Diagonal line of the two-dimensional ordination diagram of DCA reflects the gradient changes of elevation, temperature and humidity.

TWINSPAN等级分类将芦芽山82个样方分为28类，可归属于7个植被型，分类结果反映了植物群落类型与环境梯度之间的关系，并在 DCA二维排序图上得到较好的验证。

In this study, twist mechanics were quantitated in 150 children with a mean BMI of 18.2 by two-dimensional speckle-tracking imaging of the LV base and apex in short axis.

在这项研究中，150名平均体重指数为18.2的儿童通过二维斑点追踪技术测量短轴心尖和基底部的扭转运动。

Reconstructs the surface by one and two dimensional spline functions with 3D data obtained from laser scanning system.

针对获得的三维扫描数据，应用一元、二元的多种样条函数进行了三维表面信号的恢复和重建。文中研究了样条函数的构造和使用方法。

Behind the facade of a two-dimensional line seethes a chaotic mixture of forces driving the line.

也就是说，在一个二维曲线的表面背后，是有各种力量的，这些力量以一种混沌的方式混合在一起，沸腾着，驱动着这条曲线的展开。

A two dimensional numerical model based on Godunov method was developed to simulate levee-breach water flows over actual topographies.

因此，研究堤防溃决之后洪水在城区内的演进规律具有重要的现实意义。

The typified programming technique for numerical control, described in this paper, is established on the basis of characteristic analysis of geometric configurations and dimensions of any two-dimensional patterns.

本文提出的数控编程典型化技术，是在对任意二维空间图形的几何形状及几何量进行特征分析的基础上建立起来的。

All these work are finished above the study of abundant interrelated literatures.b Two-dimensional Poisson equation is solved by both Chebyshev Tau method and Chebyshev Galerkin method, the numerical uncoils are compared with the exact one.

对于二维Poisson方程边值问题，本文分别推导了Chebyshev Tau方法和Chebyshev Galerkin方法的计算公式，实现了相应的数值模拟。

Watermarking information is embedded by modifying the scale of the distance between vertexes in two-dimensional engineering graphics.

该方案通过修改二维工程图中各实体顶点间的距离比例来嵌入水印信息。

Relationship between forces born by bridge and rail under the action of temperature variation, deflection and braking are analysed by using bridge ballast rail as an unified model , and simply supported bridges, 30 m and 40 m in span length, are calculated with a programme of finite element of two dimensional frame structure.

利用桥梁—道碴—轨道的统一模型，对桥梁温度伸缩、桥梁挠曲作用以及制动力作用下的桥轨受力关系进行了分析，并利用平面杆系有限元程序对30m及40m简支梁桥进行了计

It refers to the use of line, color and shape such as language arts, through modeling, color and composition based art means, in two-dimensional space in the shape of a static visual image to express the feelings of the author aesthetic art form.

它是指运用线条、色彩和形体等艺术语言，通过造型、设色和构图等艺术手段，在二维空间里塑造出静态的视觉形象，以表达作者审美感受的艺术形式。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。