You will learn in 8.02 that if you have a charged body changing direction, that constitutes an acceleration.

你们将在8。02中学到,如果一个带电体改变方向时，产生一个加速度。

麻省理工公开课 - 固态化学导论课程节选

Try it again. So, sure enough, changing the bias changed the price, and even changed it in the right direction.

我们再来运行一下，好了，很明显，这个偏向值改变了价格，而且方向也是对的。

麻省理工公开课 - 计算机科学及编程导论课程节选

It comes from the fact that velocity is a vector and you can change your velocity vector by changing your direction.

其原理就是,速度是矢量,你可以通过改变方向来改变速度

耶鲁公开课 - 基础物理课程节选

This particle is constantly changing its direction, but it therefore has an acceleration and the acceleration, we have shown here, is pointing towards the center.

这个质点恒定地改变它的运动方向,因此它具有加速度,而且这个加速度,我们前面也讲过了,指向圆心

耶鲁公开课 - 基础物理课程节选

This was a problem but the direction is constantly changing.

在这个问题中,但是方向是在不断变化的

耶鲁公开课 - 基础物理课程节选