Now we will introduce what we call the average velocity.

下面我们引入，平均速度的概念。

youdao

And now we will look at the average velocity in a somewhat different way.

下面考虑下平均速度，方法就有些不同了。

youdao

Again, if I had changed the zero points you would have found the same values for the average velocity.

再强调一次，不管我这个0点选在哪里，这个平均速度的值，都是不会改变的。

youdao

So, the average velocity may not tell you the whole story.

平均速度可能无法描述整个运动过程

耶鲁公开课 - 基础物理课程节选

So it's useful to have the average velocity.

平均速度还是很有用的

耶鲁公开课 - 基础物理课程节选

I would expect, whether you're a Red Sox fan or not, you to be able to look at a list of different pitchers and their average velocity for their fastball, and tell me who has the longest or the shortest wavelength.

无论你是否是一个红袜队球迷，我预想你会看到一系列,不同的投手和他们,投出快球的平均速度，告诉我谁有最长的,或者最短的波长。

麻省理工公开课 - 化学原理课程节选

The average two-wheel-drive car carries four such parts, known as constant-velocity joint (CVJ) halfshafts.

FORBES: Beefing up the rump