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I had my suspicions about the milkshake, and so I took a sample and I rushed it down to the lab.
我怀疑奶昔有问题，于是我取了一份样品，跑到实验室化验。
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If I do this, try and get the 10th element of a list that's only eight long. I get what looks like an error, but it's actually throwing an exception.
如果我来这么做,试着去取长度为8的列表的第十个元素,我貌似能得到一个错误。
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f2c So I'm going to go ahead and run make on f2c, which is the name I gave to this particular program.
所以我将继续来编译，这是我给这个程序取的名字。
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I could take an unknown gas and put it in and measure it and then say, wow, those are the lines that are characteristic of sodium.
我取一种未知气体，把它放到管里,然后检测它，哇，这些线是钠的特征。
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It means that if I took this cell and isolated and watched it, I'd notice that it had a couple of characteristics.
意思就是如果我取这些细胞,分离并观察,我会发现它有几个特征
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How many of you-- I was walking with a student over to my office after lecture the other day to get some material to him.
你们中有哪几位,前些天我和一个学生在课后,一起去我的办公室取材料
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And x0 I'm going to reduce to 0 by choice of my origin being here.
0 等于零,因为我把原点取在这里
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Well, Homer gives us several names for them, but three stick out for me.
荷马给他们取了几个名字,但是有三个让我印象深刻
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I've got to focus for a second just to get it.
等我去取一下
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So, for example, at an annual expected return of 12% if I have a portfolio of stocks, bonds, and oil I can get a standard deviation of something like 8% on my portfolio.
例如，在年预期收益12%的情况下%,我有股票，债券和石油的投资组合,在这个组合里,我的投资组合可以取到8%的标准差。
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And Charles Darwin actually, who was an astute observer of human behavior, tells a nice story to illustrate this: how "a native touched with his finger some cold preserved meat and plainly showed disgust at its softness whilst I felt utter disgust at my food being touched by a naked savage though his hands did not appear dirty."
达尔文，对人类行为观察入微，他有一个故事很好地解释了反感：,“一个土著用手指碰冷腌肉,那种软软的质地让他感到很反感,而让我感无无比反感的是我的食物,被一个没穿衣取的土著碰了，虽然他的手不脏“
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So, using those, now, what happens if we take the second derivative of A, the mixed derivative, partial with respect to T and the partial with respect to V.
如果我取A的二阶导数,混合导数，对T偏微分,再对V偏微分。
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But instead in this chemistry course, I will just tell you the solutions to differential equations. And what we can do is we can start with some initial value of r, and here I write r being ten angstroms. That's a good approximation when we're talking about atoms because that's about the size of and atom.
但在这个课里，我会直接，告诉你们微分方程的解,我们可以给距离r一个初始值,我这里把r取10埃,当我们讨论原子时,这是一个很好的近似,因为原子的尺寸。
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And what if I took a unit charge and I multiplied it times unit voltage, one volt?
如果我取个元负荷,让它乘上个电压单位，一伏特？
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In binary search-- ah, there's that wonderful phrase, this is called a version of binary search just like you saw bin-- or bi-section methods, - when we were doing numerical things- in binary search, I need to keep track of the starting point and the ending point of the list I'm looking at.
就是当我们处理数字的时候，所称的二分检索，在二分法搜索中,我需要记录区间的开始点和尾点，初始化的时候就是-,问题输入的开始点和尾点，当我开始做测试的时候,我想要做的就是去取中值点。
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This process, I said, this ancient process of taking scabs from patients and introducing them to people you wanted to protect, was called variolation.
这个过程,我想,这个从病人身上取痂,接种到你想保护的人身上的古老过程,叫做天花接种
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Further down the line, for example, in the blastocyst I talked about before, we could obtain cells from this inner cell mass or this cluster of cells that becomes the embryo.
沿着这条线看,举个例子,就是我之前提到过的囊胚,我们可以取一些内细胞群的细胞,这种能成为胚胎的细胞群
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But I can also ask for parts of this. So I can, for example, say give me the first element of s1 string 1, s 1. Ah, that's exactly what we would have thought if this was represented as an ordered sequence of things.
然后返回一个长字符串，我也可以，取字符串的一部分，例如,我可以要求返回给我字符串,的第一个元素，啊，这证明我们之前,认为的它是一个有序的字符序列的想法。
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Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.
这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器
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Then you guys know, you just told me, acceleration is -9.8, We call it "minus" because it's accelerating down and up was taken to be the positive direction.
然后你们都知道,你告诉我,加速度是-9.8,我们取负号是因为加速度方向朝下,而正方向为竖直向上
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I mean, with the b and c? What value should I pick?
我指的是b和c,这两个系数应该取什么值
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By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.
顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米
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I'm walking along the list once, taking two things and saying, make sure the biggest one is next.
我遍历一次列表，每次取两个值,确认最大的元素在后面一个。
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If it's at that point, I'm done, if not, if it's greater than the value I'm looking for, I either take one half or the other.
那么我就取左边，否则的话就取右边，好，你们可以明白，我们一次就可以缩小问题规模的一半了吧。
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That being the case, what's my next guess?
那下一步我该怎么取猜想数呢？
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I going to come back in a second to how it actually does that, but it basically says, get me x value for p 1, get me the x value for p 2, compare them, just as you would normally.
是一个类的实例,我要去取的这个实例，所关联的x值，我稍后会讲讲实际上，这里是怎么实现的，但是基本上它的意思就是，给我p1的x值。
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One way I could try to find the gene for human insulin is to take any cells from any of us, skin cells let's say, and I could identify where on the chromosomal DNA that insulin is likely to occur.
我能找到胰岛素基因的一个方法,是从任意一个人身上任意取一些细胞,比如说皮肤细胞,并且我知道胰岛素基因,可能出现在染色体DNA的哪一部分
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