你不能只是鞭策他们去另一个方向。
You can't just whip them around and go in another direction.
你故意朝另一个方向走了。
牛顿市在另一个方向。
And if it's greater than zero, then the process goes the other way.
如果大于零,那么过程就会向着另一个方向进行。
So, if instead you put your particle somewhere down here on the electric field, or on the wave, the electric field will now be in the other direction so your particle will be pushed the other way.
还有方向,所以如果,你把粒子放在这下面,电场的方向相反,粒子会朝另一个方向运动。
And theother way in the circle will never happen.
这个环中的另一个方向永远不会发生。
应用推荐