F-o-o If I type foo, I'll get back f-o-o.
如果我键入foo，我将取回。
F I wonder whether this is a live program.
我不知道这是不是实况转播节目。
F I have my surface and I have my vector field f.
有一个曲面，还有一个向量场。
So if I print e to f of soccer, it will print the string football.
如果我要显示soccer的e到f变换的话，打印出来的就是football了。
F I believe that's the right direction. I think there is probably too much fear of failure in many instances.
但只要我认为那是对的，我想可能很多时候你会担心失败。
What I do at any point is project F to the tangent direction, I figure out how much F is going along my curve and then I sum these things together.
我所做的就是把F投影到切向量方向上，得出F沿着曲线的值,然后再把这些加起来。
The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.
线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。
So if now I hang on it a mass of one kilogram, I can calculate the period of one oscillation, and one over the period F is the frequency F, and I believe that is something like 38 hertz.
如果在上面,悬挂1公斤物质，我能够计算出,振荡的周期，1除以周期,等于频率，我相信,等于大概38赫兹。
I mentioned last time William F. Albright, an American archaeologist.
我上次提到威廉·亚布莱特，一个美国考古学家。
F: I agree with the first and the last.
F：我同意第一点和最后一点。
But in my English course, my professor gave me an f, and when I asked why, she said I had misspelled a word.
但在英语课上，教授给我的成绩是F。我问她为什么，她说我拼错了一个单词。
I am sincerely grieved for him and Mrs. F., but no one can throw any blame on them.
我实在替他和弗太太难过；谁也不能怪他们夫妇俩。
Roughly-speaking the work measures, you know when I move along my curve, how much I am going with or against F.
粗略来讲，“功”度量的是，沿着曲线前进，F做多少功或克服F做多少功？
Suppose, now, I have two of these rods - next to each other-- notice the parallel - with the two parallel springs here-- F and I apply a force F.
假设现在，把这两个棒子,并联紧贴放置-,注意，它们就像,这里的弹簧一样平行-,施加力。
And so I could now make a plot x whereby I could have here x F and I could have here this force F, which I know because I know the masses.
现在我可以,画一张图,这里是,这是力，这个力我们知道,因为它就是重物质量。
The BTYPE column identifies the object type: 'T' for table, 'I' for index, and 'F' for function instance.
BTYPE列显示对象类型：'T' 表示表，'I' 表示索引，'F' 表示函数实例。
From 2000 to 2001, I studied at Harvard University's John F. Kennedy School of Government.
我在2000年到2001年在哈佛肯尼迪管理学院学习。
Did some C&F routine like "Don't get too close", "I don't even know you that well".
走了些C&F的套路，比如“别靠太近”，“我和你不太熟”。
So all together I get this change as a value of f.
那么把它们加在一起就得到了f的总变化量。
In the next block of code I define the concept f: product, defining its preferred label, as well as alternate labels.
在接下来的代码块中，我定义了概念f：product，同时定义了它的优选标签和备选标签。
I prefer the letter f, but our book uses the Greek letter nu.
我喜欢f这个字母，但是书上用希腊字母υ来表示频率。
I got an "f" for that assignment, and my teacher, knowing that I was really struggling with stage fright, asked me come see her after school.
我的老师，知道我确实怯场，让我在放学后去见她。
I derived your mom last night. It was f prime.
昨晚上求你姨妹导（数），结果是f'.
Say that I give you a formula for f.
假如我给你一个关于f的式子。
We are trying to look for the smallest value of f that will f When does that happen? Well, I have to backtrack a little bit.
所以我们要尝试在这个双曲线上找到,所能达到的最小值。，actually，be，realized，on，the，hyperbola。,那这个点在什么地方呢，这，我就要倒后退一下。
Remember, partial f, partial x was obtained by y That means I am slicing the graph of f by a plane that is parallel to the x, z plane.
要记得，在这里的fx中,是作为常量保持不变的。，looking，at，the，situation，where，y，is，held，constant。,这是我用一个平行于xz坐标系的平面,横截了f，所得到的图形。
F: I think it will. I think it will.
F：我想会的。
Here, I think slamming your fist and shouting “F**king horseshit!” sounds completely unnatural.
在这个情况，我认为用拳头猛敲桌子大喊“F**king horseshit!
Here, I think slamming your fist and shouting “F**king horseshit!” sounds completely unnatural.
在这个情况，我认为用拳头猛敲桌子大喊“F**king horseshit!
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