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For example, if we're talking about a pitcher, like Matsuzaka, we might want to know the speed of his average fastball.
举例来说，如果我们谈到一个投手，就像松阪，我们想知道他投出,快球的平均速度。
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And it's just, you can, it moves so quickly.
只是它的发展速度非常快。
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- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.
部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。
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Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.
砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。
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This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.
这些设备是很紧密的以至于人的头发,都不能在头和旋转的磁盘之间通过，尽管如此，它的运行速度非常快。
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So, in order to have fast transmission you do that by transmitting electrical signals; that happens pretty quickly.
所以 为了使信号迅速地传播,细胞使用电信号,它速度非常快
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Insurance was invented in the 1600s but it did not proliferate fast, it proliferated only very slowly.
保险学产生于17世纪,但是它的发展速度并不快,我们甚至可以说它发展得很慢
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You have to imagine they're moving along quicker than you would by walking, so that they will go bang and we can see what happens.
你得想象他们往前跑动的速度,肯定要比你步行快,所以就像这样"砰"地撞在一起,然后大开杀戒
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You want to know how fast the guy is moving.
你们想知道这个质点的速度有多快
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They learn to run a maze faster and faster when they're regularly rewarded but they also learn to run a maze faster and faster if they are not rewarded at all.
在不断得到奖励的条件下,白鼠跑出迷津的速度越来越快,但在完全不予奖励的条件下,白鼠依然能越来越快的跑出迷津。
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Now,moving faster.
现在速度快一点。
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It says that function, f of x, is bounded above here's an upper limit on it, that this grows no faster than quadratic in n, n squared.
这意味着这个方法f是有上限的,这个方法增长的速度,不会比括号内的n*n快。
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They do that by skiing really fast s gold medal skier skiing in front of him saying jump, turn right, so forth.
以非常快的速度滑雪,世界冠军在他前面滑着，and，having，the，world’,不停地发出，起跳，右转，等口令。
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Perhaps the data rate was a little bit faster than you were accustomed to, but you had some familiarity.
可能这个数据速度,相比你所熟悉的有些快，但是你有一些亲切感。
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It's not always how fast you throw the fastball, sometimes it's your different styles or the different ways that you decide when to throw what.
这不总是你投出,棒球的速度有多快，有时这是你投球的类型,或者你决定采用的投球方式。
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If you want to know how fast it's moving at a given time, if you want to know the velocity, I just take the derivative of this answer, which is 10-10t.
如果你想知道它在给定时刻的运动有多快,如果你想知道它的速度,我只要对这个式子求导,得到10-10t
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So, if we're trying to figure out the wavelength of a Matsuzaka fastball, we need to consider the velocity first, which is 42 miles per hour.
如果我们尝试计算一个,松阪发出快球的波长，我们首先需要考虑速度，每小时为42英里。
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Well, so much for the speed of the computer.
好的，计算机的速度就这么快。
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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。
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And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.
当然这是一个非常快的速度，它大约是每小时7亿英里,为了更形象化，我们,看看光从地球到月球,需要多少时间，你们猜猜是多少？,8秒，猜的不错。
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If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.
如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系
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in atomic hydrogen, is it fast? Is it slow?
在氢原子里，速度是快还是慢？
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But they're being flashed so fast you don't see anything-- words like "corpse," "dead," "dying."
它们闪现的速度非常之快,你根本看不到这些词语，it，looks，like，that—,比如，尸体，死亡，垂死“
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