坐标系的

The general 2-D FDFD equations in the Cartesian coordinate system and difference equations for the trapezoidal bevel edge of the waveguide are presented. Transmission characteristics of single and double trapezoidal-ridge waveguides are then analyzed using these equations.

采用直角坐标系中2-D FDFD的一般分析公式和波导梯形斜边上的差分公式，对梯形单脊矩形波导和梯形双脊矩形波导的传播特性进行了分析。

In the coordinate system of the Oriental structure, classical, modern, oriental, and primitive elements coexist, and the radiance of the prince diamonds starts the burning point of life.

在东方结构筑的坐标系中，古典、现代、东方和原始并存，公主方的光芒始终肆意，开启生命的燃点。

According to the source characteristics and the desired illumination on the target plane, a set of differential equations were detruded based on the existing theoretical model by using the solid coordinate system and the energy conservation theory.

根据已知的光源发光特性和所需实现的照明面上的光分布，基于理论模型，结合立体坐标系和能量守恒定理，推导得到微分方程组。

In this thesis, firstly, based on the complex vector model of doubly-fed induction generator, the mathematic model is deduced under the synchronous coordinate.

本文首先从双馈电机的复矢量模型出发，建立了在同步坐标系中双馈电机的数学模型，为双馈电机的磁场定向矢量控制提供理论基础。

The common image plane of three images after rectification is calculated under rectification constraints, and three-ranked matrices are then computed under undistorted image constraints. With this the image is resampled in planar affine coordinate to align images either in row or in column.

根据校正基本约束确定校正后的图像平面，利用图像不变形约束计算校正所需的三阶矩阵，用于在平面仿射坐标系下对图像进行重取样，使图像的行列对齐。

The velocity of light in vacuo is the same in all c.s.

在所有相互作匀速直线运动的坐标系中，光在真空中的速度都是相同的。

Firstly, The perfectly matched layer in three dimension stretched cylindrical coordinates is deduced, and a strict formula of time step is presented so as to ensure the stability of the numerical solution.

文中首先推导了三维柱坐标系下完全匹配层的差分表达式，并给出保证其解稳定性的更为严格的时间步长公式。

Thus, only in the one c.s. distinguished by the ether-sea should the velocity of light be equal in all directions.

因此，只有在以太海特定的一个坐标系中各个方向上的光速是相等的。

Imagine a box containing balls, with the box as well as the balls at rest in our c.s.

设想一个装着球的箱，箱与球在我们的坐标系中都是静止的。

The velocities observed in two c.s. moving uniformly, relative to each other, are connected by the classical transformation.

在相对作匀速直线运动的两个坐标系中所观察到的速度是用经典转换联系起来的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。