本文设计了一种以任意速度、倒序播放音视频文件的方法。

We have developed a method that can be controlled to play video file at any speed in reverse sequence.

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斩锅为双速，可以与斩刀任意速度配合，斩拌时间短，物料温升小。

Cuts the pot for two speed, may with the chopper, no matter what decides the speed coordination, cuts mixes the time to be short, the material temperature rise is small.

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并在此基础上导出了适用于任意速度的新的洛伦兹力公式，它在低速情况下转化为通常的洛伦兹力公式。

The new form of Lorentz Force Formula, that will be suitable for the charge at any speed, has been derived, and it can be transformed into the general Lorentz Force Formula in any case at lower speed.

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So the velocity at any part of the curve is tangent to the curve at that point.

曲线上任意一点的速度,都在该点和曲线相切

耶鲁公开课 - 基础物理课程节选

Once you can take one derivative, you can take any number of derivatives and the derivative of the velocity is called the acceleration, and we write it as the second derivative of position.

只要你能求一阶导数,你就能求任意阶的导数,速度的导数被称为"加速度",我们把它写成位移的二阶导数

耶鲁公开课 - 基础物理课程节选