坐标系的

All laws of nature are the same in all c.s. moving uniformly, relative to each other.

在所有相互作匀速直线运动的坐标系中，自然定律都是相同的。

The mathematical models of dual three phase induction motor in stationary reference frame were obtained, using the concept of vector space decomposition with loss of one stator winding excitation set.

采用空间矢量解耦的方法建立了缺相双三相异步电动机在静止坐标系下的数学模型。

The mathematical models of dual three phase induction motor in stationary reference frame were obtained,using the concept of vector space decomposition with loss of one stator winding excitation set.

摘 要：采用空间矢量解耦的方法建立了缺相双三相异步电动机在静止坐标系下的数学模型。

The internal model control method is introduced based on the dynamic model of asynchronous motor in d-q reference frame. And the design of stator current controller is proposed in detail based on rotor flux oriented vector control.

在同步速d-q坐标系下异步感应电机动态模型和解耦控制原理的基础上引入了内模控制方法，详细设计了基于转子磁链定向和内模控制的定子电流调节器。

With a precise method of vector calculation, the same function equations are obtained.

这是建立球面坐标系中的非连续变形分析数学模型的基本关系式。

In the Cartesian coordinate system,compute the image plane revolution vector quantity caused by scan mirror′s rotation applying coordinate conversion and geometrical optics.

在笛卡尔坐标系中，通过数学坐标变换和几何光学的方法对不同工作方式的航空相机由扫描反射镜沿俯角方向旋转引起目标像旋转问题作定量计算，为偏流补偿机构工程应用提供理论依据。

In duty ratio control technique,a zero voltage vector is applied in each sampling period to reduce the torque ripple.

与矢量控制相比，直接转矩控制在静止的定子坐标系中进行计算，省去了复杂的坐标变换和电流调节

Because the grid is Cartesian in the curvilinear domain, standard pseudospectral technique can be applied.

这种方法能有效地消除在直角坐标系下因离散化曲界面产生的不必要的人为绕射。

Seeing that the subterrene drills is curved surface, research carried on under curved coordinate.

从所建立的研究热熔体流动基本数学方程组入手，鉴于热熔器的曲面形式，研究主要在曲面坐标系下进行。

In order to find the origin of the disagreement, calculations with limited angleθin reactant Jacobi coordinates are performed again.

为了找到引起偏差的原因，对该反应雅可比坐标系中的角度θ进行了限制，并重新展开计算。

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。