坐标系的

The numerical approach consists of an operator split technique,which transforms the elastic-plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains.

针对接触表面变曲率的特点，引入局部坐标系，构造出局部坐标下残余应力应变场的分布状态，建立了变曲率连续啮合过程中安定状态残余应力的计算方法。

In the course of open-loop control system,the simulation model of asynchronous motor is obtained and realized in SIMULINK . This simulation model's structure is simple and its static and dynamic performance is good.

在开环控制系统的仿真中，推导出一种异步电动机在MT坐标系下的仿真模型、该模型具有结构简单、表静态、动态性能良好的特点，同时这个仿真模型也用于闭环系统。

The computational forms of conservative and nonconservative full—potential equations in an arbitrary non—orthogonal coordinate system have been developed by using simple and convenient mathematical derivation.

一、用简便易懂的数学推导，给出了一般曲线坐标系上守恒及非守恒型全位势方程的计算形式，对推导中引进的符号从物理上作了解释。

First, the finite difference was used to solve numerically the coupled Navier-Stokes equation and the convective-diffusion equation for surfactant in a orthogonal body-fitted coordinate system. The effect of surfactant on the flow field inside and around the deformed drop was successfully simulated.

本文在正交贴体坐标系下采用有限差分方法，对不可压缩流体的Navier-Stokes方程和表面活性剂的对流—扩散方程耦合求解，从而首先模拟了表面活性剂对单液滴运动的影响。

In this paper a numerical model for simulating propagation and transform ofwater waves in coastal area is set up by using parabolic mild-slope equation inorthogonal coordinates, and the particular format of this equation in conformal systemis also set up.

本文建立了一个基于普通贴体正交网格系统的抛物型缓坡方程模型，并给出了其在保角坐标系下的特殊形式，利用该模型研究了扩张防波堤和环形渠道内波浪的传播这两个典型算例。

Two kinds of image retrieval reference frames are compared mathematically, and it is found that the polar coordinates facilitate processing multi-scale images.

采用数学分析的方法比较了图像检索算法中常用的2种坐标系，发现极坐标更加有利于图像的多尺度处理。

They can also overcome the influence of pseudo acceleration casued by polar coordinates.

另外 ，目标机动跟踪能力的强弱，不仅和所采用的机动模型有关，也与所选择的坐标系有关。

The main work and contributions accomplished in this dissertation are as follows:(1) The fundamental theory of electromagnetic wave polarimetry in radar, including the polarization representation of EM wave, the scattering coordinate system in polarimetric SAR imaging and the polarimetric scattering description, is presented.

本文的主要工作和贡献如下：(1)介绍了雷达极化的基本理论，包括极化表示以及极化SAR成像中的散射坐标系和极化散射描述。

First fitting the projective straight line in three rectangular coordinate system,second obtaining the straight line equation in space through the projective straight line,and comparing three different straight line equations,finally choosing the best fitting program.

先拟合三个直角坐标系中的投影直线，再通过投影直线求出空间直线方程，并对拟合出来的三个不同的直线方程进行比较，选择最佳拟合方案。

With the proper coordinate system,the movement of up cut and down cut rotary blades can be incorporated in one equation,but two kinds of blades work in different angular ranges.

通过建立适当的坐标系，把正、反转旋耕刀的运动统一起来，用同一个方程表示，二者只是在不同的切土范围内工作。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。