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But de Broglie has told us that the wavelength is related to the instant velocity through this formula.
但德布罗意曾说过,波长是和瞬时速度相联系的,通过这个公式。
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And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.
这只是牛顿学上关于动量的表达，用电子质量,乘以瞬时速度。
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She gave up presently as if a cloud had approached the sun or the smog thickened and so broken the religious instant, whatever it might have been.
现在她放弃了，就像乌云蔽日,烟雾笼罩,这个宗教瞬间也破碎了，不管它之前是这么样子。
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At any instant, your motion, if it follows any curve, locally can be approximated as being part of some circle.
在任何时候,如果做曲线运动,都可以近似地认为是圆周的一部分
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The instant unlike binary search, where each instance was separate, here the instances overlap.
这个例子不像搜索二进制数，每个例子是独立的，这里的例子是相互重叠的。
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Satan and the fallen angels are entering the magnificent structureof Pandemonium, and at one instant all of the angels shrink in order to fit in to the building, however big it is.
撒旦和堕落天使们正在进入,混战地狱绝妙的建筑中去，突然，所有的天使们都缩小了身形,以来进入那栋建筑中。
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We can think of this as the decision happening at the instant at which you kicked.
我们可以认为罚球队员,在球被踢出的瞬间才做出决定
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But it's a big help and it's kind of interesting instant reaction to things.
它确实有用,可以即时地把信息反馈回来
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It's so instant.
很便捷，这就是为什么。
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And I'm very interested in what happened in the French suburbs two years ago; in fact, I wrote an instant article on it for an encyclopedia because some of the work I'd earlier done was about why French suburbs and European suburbs are different than American suburbs.
我对两年前,在法国郊区的事很感兴趣,其实我当时就给一个百科全书,写了一篇文章,因为我以前研究过,为什么法国和欧洲的郊区,与美国郊区有这么大的差别
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When you're driving in your car, there's a needle and the needle says 60; that's your velocity at this instant.
当你在开车时,有一根指针指着60,表示你这个时刻的速度
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How do I reduce this to a smaller-size problem in the same instant?
我怎么能把这个问题,缩小成更小规模的问题呢？
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She and the Chevy seemed parked at the center of an odd religious instant, as if on some other frequency, or out of the eye of some whirlwind rotating too slow for her heated skin even to feel the centrifugal coolness of words were being spoken.
她和她的雪佛兰车，似乎停在了,一个宗教瞬间的中心，就像在其他的频率上，又像是离开了旋风的风眼,风转的如此之慢，以至于她灼热的皮肤,感觉不到言语带来的，离心般的寒冷。
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So in this case, the communication worked but am I right in thinking that the communication isn't such an instant solution as it was in the game we saw last time?
在这个博弈中,交流起到了作用,但是能说这和上一讲的博弈一样吗,交流并没能直接给出解决的方案
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At a given instant, it's got a location.
在一个给定的时刻,它在某一位置
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At that instant, if you leave anything on the floor, you know it's no longer yours.
这个时候,如果你掉了些什么在地上,它就不再是你的了
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The tangent's pointing towards the direction you are headed at that instant.
切线的方向就是,速度矢量在那个瞬时的指向
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At this instant, the planet may be moving at that speed.
在这个时刻,行星可能在以这个速度运动
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That is the whole triumph of calculus is to know that by looking at the position now, the position slightly later and taking the ratio and bringing later as close as possible to right now, we define a quantity that we can say is the velocity at this instant.
这就得靠微积分了,通过了解它现在的位置,和一小段时间以后的位置,计算它们的比,再让时间间隔尽可能缩短,我们就定义了一个,被我们称之为瞬时速度的物理量
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