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STUDENT: Right, we're going to do that in a second, but the answer is Fibonacci numbers, we define the first two.
学生：听不见：,我们马上会试一试，但是答案是斐波那契数列，我们可以定义下最初的两个数。
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So you're saying that we are here right now but any second this other event, this other situation will occur.
你在谈论我们现在是这样的状态，但是一转眼的功夫，另一种事情，另一种情况就会发生。
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I want to abstract that. And the abstraction you see, right here. I'm going to highlight it for a second so you can see it. I want you to look at it on the handout as well.
我需要进行抽象,这个抽象就在这儿,我把它强调给你们看看,我希望你也能看看讲义里的这部分内容。
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So what we did is, remember we started with the second law. Right?
我们所做的是，还记得我们是从热力学第二定律开始的？
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If the units are supposed to come out in meters per second and you get seconds per meter, what do you figure the chances of that problem being right are?
因为如果单位本应该是米每秒,但你写的是秒每米，你认为这个题目,还有正确的机会吗？
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All right, so let me ask your names for a second-so your name was?
请问你叫什么名字?
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This function will have the right second derivative.
这个函数会得出正确的二阶导数
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All right,second possibility.
好了，第二个可能性。
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And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.
跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。
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One is there's no lag period, notice that antibody levels start rising right away after the second exposure.
第一是没有迟滞期,请注意,抗体浓度迅速上升,在第二次接触抗原时
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The second thing is, what do I print out if I actually don't get the right input in?
第二件事是我没得到,正确类型的输入时输出什么？
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And then the second law comes in and says well, that's not quite right.
然后第二定律跳出来说，这不大对头。
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So hold that thought a second, we'll come back to is it Clara Elise, is that right?
先保留这个说法,我们稍后再做讨论,这是克莱拉?埃莉斯的理由
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So if you end up not doing well, the moral of the story is not to go running off and dropping the class, but to figure out what you did right, what you didn't do right, how to make the second paper better and the third paper stronger, again.
所以如果你们最终没有得到好成绩，这个课程不是让你们退却或是退课，但是去想想你所做的对的事，和不对的事，和怎么样让接下来的论文写得更好。
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And the question is, so how many pigs does he have, and how many chickens does he have? Wow. What a deep problem, right? But you're going to see why we're going to use this in a second. So you know how to solve this, this is a fifth-grade problem, right?
为了避免歧义，这些猪和鸡都是健全的,现在问题是它到底有多少只猪和鸡呢？,多深刻的一个问题啊，对吗？,但是你将要看到的是,我们为什么要举这个例子,你知道如何解答这个问题？
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Right now it's got that second key word there called pass, which is just Python's way of saying there's an empty body in here.
现在我在完善它的一个简单部分,但是首先，类是用来干什么的呢？,把类认为是可以创建一个。
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All right so these people, stay up a second so the camera can see you.
总共就这些人,站好,让摄像机拍一下你们
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So let's look at the second example, all right, I keep doing that -- this piece of code from here to here gives me a way of now creating a hash table of size 256.
所以让我们来看一下第二个例子，好的，我继续做那件事,这段代码中从这里到这里,是创建一个大小为256的哈希表。
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All right. Second question: or maybe a better way of saying this, and the general format you're likely to see here is, a test involving a variable name, which must be initialized outside of the loop, and which interior to the loop gets changed, so that the test is going to change.
好，第二个问题：,换种更好的方式来说吧，你们通常喜欢的,方式是，这个测试涉及到一个变量名字，变量在循环外已经被初始化，然后循环内部会改变这个变量的值，因此测试结果会改变。
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All right, think about it for a second.
好，想想这一点吧。
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Right, what's the second thing I do?
好，我要做的第二件事情是什么？
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Second thing we've got to worry about is, what's a basic step? All right, if I bury a whole lot of computation inside of something, I can say, wow, this program, you know, runs in one step. Unfortunately, that one step calls the Oracle at Delphi and gets an answer back. Maybe not quite what you want.
我们需要担心的第二件事情就是，什么该作为一个基本的步骤呢？,如果我把一大堆的计算过程放到里面，我可以说，噢，这个程序你知道的，一步就完成了，不幸的是,这一步可能要靠预言家才能得到答案,这可能跟你想要的结果不太相同吧。
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So here's our potential equilibrium with just Beatrice standing, and if somebody to the, which way do we do it, somebody to the right of Beatrice was to stand, so ma'am if you stand a second, and your name is?
只有比阿特丽斯参选是潜在的均衡,如果有人,我们从哪个方向演示好呢,比阿特丽斯右边的某个人参选,这位女士请站起来一下,你的名字是
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I'm going to get back to your answer in a second because you're heading in the right direction.
内嵌的循环，这儿，我们做了m次,但是它内部还有一步呢，对不对？
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Everyone just stare at that a second, make sure I got it right.
大家再看一看我算得对不对
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All right. If you flip to the second side of your handout, you'll see that I have a piece of code there, that does this-- let me, ah, I didn't want to do that, let me back up slightly- this is the algorithm called search.
你可以看到实现这个功能的代码,让我，额，我不想这么做,让我们回来一点,这就是命名为search的算法-,我们来看看这个算法吧。
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Delta u is zero, right? It should be completely second nature.
u=0，对吧？这应当,成为本能的答案了。
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