It's useful to have the average acceleration, which you can find by taking similar differences of velocities.
平均加速度也是很有用的,你可以用类似方法,取速度的变化量求出来
It's growing very, very quickly, much faster than the world average.
变化非常迅速,比世界平均速度更快。
He's trying to relax us here by slowing down the rate of harmonic change here.
他希望通过减慢泛音的变化速度让大家在这里快要睡着了。
It changes as fast as technology and communications change.
它变化的速度不亚于科技和传播,变化的速度。
He reasoned then that the charge, since he could vary voltage continuously but got a discontinuous variation in velocity, his conclusion was that the charge must be discontinuously attached to the droplet.
他推断出电荷,因为他可以不断地改变电压,但是得出了速度是在不连续变化着,他的结论是电荷,是间断地依附于液滴上的。
The rate and pace of change in the industry is such that it's always kind of a jump ball environment where companies are not able to hang on to a great position for a super long time.
这一行变化的速度,就是这样,总处于一种跳球环境中,公司不能,永远处于不败之地。
The fact that when you go in a circle, you accelerate is what we're learning here, coming from the fact that velocity is a vector and its change can be due to change in the magnitude or change in direction.
而当你做圆周运动时你也在加速,这是我们在这里所学到的,原因就在于,速度是一个矢量,其变化可以通过改变模长,或者方向来实现
So he's up to something here with this rate of harmonic change.
他在这里准备做一点什么,泛音的速度发生了变化。
And since we are not expecting the mass of the particle to change, what we really are saying is the uncertainty in its velocity times the uncertainty in its position is greater than the ratio of the Planck constant divided by 2 pi.
因为我们不期望,粒子质量发生变化,我们说的是,它速度的不确定度,乘以它位置的不确定度,比普朗克常量,除以2除以圆周率要大。
The rate of harmonic change has slowed down considerably here.
泛音的变化速度减得相当慢。
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