速度链是分部传动造纸机中连接各分部所需速度给定的一个关键控制单元。

Speed chain is a key control unit connecting the set speed needed of divided parts of paper machine in the separated driving.

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结合实际工程分析了起重机电控系统中普遍采用的速度给定方法及其实现手段。

Velocity setting method adopted generally in electric control system of hoisters and its implementation are analyzed in terms of an engineering practice.

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实验发现，在送丝速度给定的情况下，匹配合适的电源电压可得到较好的焊接效果。

It has been shown by experiments that the good welding effects can be obtained by matching proper voltage of power supply when a certain feeding wire speed is given.

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What that means is, if you know the velocity of the given time and you know the initial velocity, you know what time it is.

这个方程的意义是,如果你知道某个给定时刻的速度,并且知道初速度,你就能知道运动的时间

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But before you even do that, I want to define for you an important concept, which is the velocity at a given time, v .

但在这之前,我要给你们定义一个重要的概念,也就是给定时刻的瞬时速度v

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If you want to know how fast it's moving at a given time, if you want to know the velocity, I just take the derivative of this answer, which is 10-10t.

如果你想知道它在给定时刻的运动有多快,如果你想知道它的速度,我只要对这个式子求导,得到10-10t

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