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So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.
如果一个东西在一秒,内经历了五个波长，我们就说这个波的,频率是每秒5次。
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But time is ticking away and you're afraid that you might miss your movie.
时间一分一秒地过去了，你开始担心要错过电影的开场。
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I'm going to let you think about it for about thirty seconds or so.
我给大家,30秒时间。
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If it takes you 1 / 60 of a second to go around once, then you do it 60 times a second.
如果转一圈要 1 / 60 秒,那么一秒就转了60圈
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And we won't wait here one hundred seconds for it to finish, but we're using the loop, we're updating a variable, and we're formatting it in a nice way.
我们将不会再这里等待100秒来等它完成,但是我们使用循环，我们更新一个变量，我们把它排成一个漂亮的格式。
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Just stay in your seats for another 30 seconds as they're handing out your notes.
在位置上再坐30秒,等它们把讲义发给你们。
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May be a second or two before pops up But it's going to come up.
在出声音前或许要等几秒,这就来了
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Light travels basically a foot in a nanosecond. Simple rule of thumb.
光行进的速度是每纳秒一英尺,很简单的经验法则了。
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That is, it doesn't take one second to go the first, and then two seconds to go to the second, and three seconds to go to third.
就是说,不是第一秒到第一排,第二秒第二排,第三秒第三排这样
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You see somebody for about a second, you could make a guess.
你看对方一秒，就能猜到了。
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Then he had a machine that granted each pigeon one piece of corn every fifteen seconds; that's very, frustratingly slow for a hungry pigeon to get one piece every fifteen seconds.
他们设计了一个能保证,每隔15秒给鸽子喂一玉米粒的装置,对饥饿的鸽子来说是杯水车薪,每15秒才只有一粒玉米
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well, these people are blasting through it, nine seconds and change.
好的，人们快速的跑过去了，9秒多就完成了。
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In fact, he broke the 4 minutes and 10 seconds mark, 4 minutes and 5 seconds mark and he got 4 minutes and 2 seconds and stopped, like everyone else-- could not go below the 4 minutes and 2 seconds.
他突破了四分十秒，四分五秒,跑到四分两秒时停止，像所有人一样-,无法低于四分二秒。
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I'm about to count to three.
我就要倒数三秒了。
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So we know that it'll go up for one second then it will turn around and come back.
我们知道了,物体在上升一秒后开始下降
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> Once we changes phases, realize that a whole lot more was happening on the next screen.
>一旦我们有所改变，下一秒就会发生许多,翻天覆地的变化。
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Here, in one second, it seems to have gone much further, so it's probably traveling faster.
在这一秒内,它似乎运动了更远的距离,所以这段时间它可能运动得更快
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It's something I throw up has an initial speed of 10 meters per second.
抛出物体的,初速度是10米/秒
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For example, here, in one second it went from here to here.
例如,在一秒内它从这儿运动到这儿
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OK, let's take 10 seconds on that.
好，让我们开始十秒倒计时。
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When t is equal to 10,000 years or 10,000 seconds, you're going to find y is some huge negative number.
当t为一万年或一万秒时,我们得到y是一个极大的负数
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The seconds cross out, the kilograms cross out, one of the meters crosses out from the top, so we're left with an answer in meters.
秒消掉了，千克消掉了，单位米和上面的一起约去了，所以我们得到的答案只剩下米。
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You're not allowed to be on the fence here.
好，我给你们十秒，十五秒去思考。
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I can change the number of seconds that it does it.
我能改变它显示的秒数。
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That held for about thirty seconds, that tonic chord.
这样大概经过了30秒的样子，就是那个主音和弦。
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You just need about a second.
你只需要大约一秒。
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I guess the whole batch is running under 15 seconds.
我推测整组都是在15秒内跑完的。
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Okay. I can't read it but two minutes and fifty seconds, two minutes--this one's only two minutes, three minutes and twenty seconds, that kind of thing.They're short, whereas Beethoven,as mentioned,is much longer.
好，我读不出但是它唱2分50秒，两分钟，这首歌只有两分钟，3分20秒，基本都是这么长，它们都很短，但是我们刚才说的贝多芬就要长的多。
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Now, the nanosecond is what, 10 to the minus 9 seconds.
一纳秒就是10的9次方分之一秒，而这个电脑一秒可以做2G次运算。
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So, we know this point at one second is 20 meters, so let's just ask one other question and we'll stop.
我们知道该物体上升一秒后到达二十米处,关于这个模型的最后一个问题
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