几何的例句大全

The quantitative relationship between quasi-particle geometry model and face-centered cubic crystal lattice has been proposed.

并推导出该拟质点几何模型与面心立方晶胞之间的定量数值关系。

Research on high speed train pantograph/ catenary contact under control with differential geometry theory

基于微分几何理论的高速列车弓网接触控制研究

Based on GTD, this paper presents accurate tracing equations for the diffraction ray on the cone and cylinder which are suitable for both the far field and the near field and more accurate than those in the literature published in recent years.

基于几何绕射理论研究了圆锥体以及圆柱体上精确的绕射线寻迹方程，所得公式在射线寻迹上适用于远场与近场，比目前文献提及的方法更精确。

Research and implementation of an algorithm of converting UG model to MCNP geometry model

一种从UG模型到MCNP几何模型转换算法的研究与实现

Nolte founded two-dimensional fracture analysis model and analyzed drawdown pressure curve after hydraulic fracturing by use of the model.

1979年Nolte建立了分析压降曲线的二维裂缝模型，由于二维裂缝分析模型假设条件与现场实际差别较大例如其假设缝高固定不变，不能准确地计算出裂缝几何参数和压裂液参数。

Intermediate between the jacquard and the cam looms is the dobby loom; this loom is one on which small geometric and regular figures can be woven.

处于提花织机和凸轮开口织机之间的是多臂织机，这种织机可以织造小的几何图案和有规则的花型。

Directed geometry and circular arc spline approximation for fitting plane parametric curves

有向几何及平面参数曲线的圆弧样条拟合

Determination of the eye dioptric strength the experiment of geometrical optics medical physics

人眼曲光度测定实验&《医学物理学》几何光学实验

The Research on the New Method of Graphical Solution and Three Dimensional Drawing in Descriptive Geometry Under the Circumstance of AutoCAD

AutoCAD环境下画法几何图解与三维绘图新方法的研讨

The results show that dimensional deviation less than 10 mm almost has no effects on the structural stiffness of the composite truss.

结果表明，10mm以下的几何尺寸误差对桁架结构刚度无明显影响，但对桁架承载能力有显著影响。

Rotary cutting is line contact with operating pressures small, moulding stability, geometric shapes, dimensional accuracy.

圆压圆模切是线接触,工作压力小, 产品成型稳定性好, 几何形状 、 尺寸准确.

A geometric discription of the root system for the indefinite type Kac-Moody algebra of rank 2 is given.

在第1个注记中，给出了秩为2的不定型Kac-Moody代数的根系的一个几何刻划。

The arrival of hundreds of millions of cheap, diligent Chinese workers in the global economy saw America trade blue collar jobs for low cost t-shirts and toasters.

曾几何时，全球经济中出现的数亿廉价而勤奋的中国工人见证了美国拿国内蓝领就业机会换取廉价T恤和烤面包机的历史。

Minimum Manhattan network problem is put forward in 1999 a world-class computational geometry important conjecture.

最小曼哈顿网络问题,是1999年提出的 世界级 计算几何重要猜想.

Decomposing a simple polygon into convex cell is one of elementary problems of computational geometry.

摘要简单多边形凸单元剖分是计算几何的基本问题之一,剖分算法在许多领域均有较广泛的应用.

Being a basic structure of computational geometry, convex hull is important to data analysis of GIS.

凸壳作为计算几何的一种基本的结构,对GIS的数据分析有着重要作用.

This Handbook provides an overview of key concepts and results in Computational Geometry.

这本手册提供核心概念的概述并且导致计算几何学.

The improved arc-length in this paper is applicable for geometrical non-linear analysis of general structures.

本文提出的改进弧长法对一般结构的几何非线性分析是普遍适用的.

The contact geometry parameters and rigid creepages of wheelset and track in rolling contact are analyzed.

本文从数值方面详细分析了两种型面轮对和轨道在滚动接触过程的接触几何、蠕滑率和蠕滑力.

Using the method of Differential Geometry, the decoupling control and complete linearization of the induction motor are realized, so a new control method for AC drive system is obtained.

本文采用非线性系统的微分几何方法实现交流异步电动机的解耦控制和完全线性化，为交流传动系统提出了一种新的控制方法。