研究结果表明直接转矩控制算法比较简单，转速、转矩响应的速度很快，相对矢量控制来说它不需要大量的解耦运算。

It has simple, fast speed and torque response feature. this control method is better than Vector control, because Vector decoupled need more operation.

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麦克斯韦方程组用矢量的形式重新表示，并利用狭义相对论你的对称性。

Slide-shows original equations, then equations re-written as vector analysis, then using the symmetry of special relativity.

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在最基本的层次上，它是一种用于描述矢量图的xml语言。矢量图是由绘图线条构成的图形，与位图图形相对，后者是由绘图像素构成的图形。

At the most basic level, it is an XML language for describing vector graphics — pictures made by drawing lines (as opposed to bitmap graphics — pictures made by drawing pixels).

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Again, when you learn the relativity, you will find out there's one vector that's staring at you.

再说一遍,当你学习相对论的时候,你会发现,有一个矢量会始终指向你

耶鲁公开课 - 基础物理课程节选

When we do relativity, we'll be dealing with vectors in space-time and we'll find that different observers disagree on what is this and what is that.

我们学习相对论的时侯,会涉及到时空矢量的问题,我们会发现观测者们对于观测的结果,有着不同的看法

耶鲁公开课 - 基础物理课程节选

I think it's clear, the position of the object with respect to the ground, this vector is the same as the position of the object with respect to the plane, plus the position of the plane with respect to the ground.

我觉得很明显,物体相对于地面的位置,这个矢量等于,物体相对于平面的位置矢量,加上物体相对于地面的位置矢量

耶鲁公开课 - 基础物理课程节选