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。
It is. It's drawn like an array, it effectively is an array so bracket zero means go to the zero's location in that array, which happens to be F and do what with it?
它看起来像个数组，实际上也是一个数组,所以【0】就是定位到那个数组的0的存储单元，对于f发生了什么？用它做什么？
z I do F dot n. That just gives me the z component which might involve x, y and z.
把F和n做内积，于是得到,它由x，y，z组成。
We will not use the Unix "mv" command, because perl's rename function renames file well enough (see perldoc -f rename for details on when rename won't do a good job).
我们将不使用Unix“mv”命令，因为用perl的rename函数来重命名文件已经相当不错了(请参阅perldoc- f rename以获取当使用rename出问题时的详细信息)。
John f. Kennedy chose a life in the arena, full of confidence that our country could surmount any obstacle, as he'd seen it do himself.
约翰·肯尼迪选择生活在公众舞台上，坚信我们的国家能够克服任何困难，就像他亲眼目睹的那样。
F: Really? How do you know which bills are marked?
朋友：真的吗？你们怎么知道哪些钱作了记号呢？
Do not let yourselves carried aloft; do not seat yourselves on other people's backs and heads. f.
不要指望别人把你抬到高处；也不要坐在别人的背上和头上。
As we do business on the basis of mutual benefit, I suggest somewhere around 270 Francs per metric ton F. O. B. Marseilles.
我们都是在互利的基础上做交易，我建议每公吨马赛船上交货价为270法郎左右。
For barrier synchronization add a B, for fence synchronization add an F, and for no synchronization you do not need to add anything.
对于barrier同步会增加一个B，对于fence 同步会增加一个F，对于无同步则不会增加任何内容。
You would do this using the -f command.
您将使用- f命令做这件事。
We can solve these two conditions for the same function, f, simultaneously And, how do we find this function, little f?
都可以用f来解决这两种情况了，可是怎么来找这个函数f呢？
Because didn't you say you could do things like just % f?
因为你没有说你可以写像%f这样的？
If you ever want to overwrite any of your local modifications, you can do another checkout with the -f option to bring you back to a clean SLATE.
如果您希望覆盖本地修改，可以使用- f选项导出文件，这样就可以将您带回到一个干净的状态。
Ford F-150 While any truck will do for slow-moving zombies, we chose the F-150 because it's available with Ford's V6 EcoBoost engine.
当所有的卡车只能缓慢地移除僵尸时，我们选择福特f - 150，因为它拥有福特v6EcoBoost发动机。
F you get seriously far out of that state-and start to feel out of control, stressed out, unfocused, bored, and stuck-do you have the ability to get yourself back into it?
如果你已经严重偏离了这种状态，到了感觉失去控制，压抑，枯燥，糟糕透顶的地步，还能重返原来的状态吗？
"The textbook notion is that F-BAR proteins fold inward, but here we show it can do the opposite" explains Polleux.
Polleux解释说：“课本上说F - BAR蛋白质向内弯曲，但是这里我们看到的是相反的情形。”
F. Tourists: Yes, of course. I'll be there... what are these students wearing colorful CARDS to do?
外国游客：是的，当然，到时候我会去的……这些戴着五颜六色牌子的同学是做什么的？
F: How do you know it's silly if you haven't asked?
F：你又没问，怎么知道会是个笨问题。
What do you plan to do this summer? F: I'm going to teach English to some immigrants in the university's community service program.
在这一课里, 我们来复习以前教过的一些基本语法, 同时也谈一谈在美国学校里的英语教学课程.首先我们还是先听一段对话, 内容是说鲍勃和珍妮在校园里谈到了暑假里计划作些什么.
So, let's do our first example. Let's say I give you a function f = -y because it doesn't depend on x.
让我们举出第一个例子，给出一个函数,它看上去有点奇怪，f，=，-y。，OK，，so，it，looks，a，little，bit，silly,因为它跟x无关。
F: Yes, you certainly do, Mr.Baxter.
弗洛拉：是的，你们当然是符合条件的，巴克斯特先生。
你们为什么选择F地区？
Chino always brings in at least one modern military jet to do a display, this year the honors being done by this F-16 Fighting Falcon from Hill air force base, seen here doing a fast afterburner pass.
奇诺总是带来至少在一个现代军事飞机做显示，今年的荣誉正在做的这架F - 16战隼的希尔空军基地，这里看到这样一个快速加力通行证。
John F. Kennedy: Congratulations, how do you feel?
肯尼迪：祝贺你，你感觉怎么样？ ？
Lian: Excuse me, Douglas. What exactly do you mean by C. I. F.?
丽安：对不起，道格拉斯。您所说的到岸价格是什么意思？
Now most MIS don t do auto update, so that method of client update is put f.
针对目前多数管理信息系统不能自动更新的弱点，提出了有效地进行客户端更新的方法。
If you have provided the name of your station, you do not need to complete the remainder of Part F and may then go directly to Part G.
如果您提供了贵电厂名称，您不必完成单元F的剩余部分，便可直接进入单元G。
If you have provided the name of your station, you do not need to complete the remainder of Part F and may then go directly to Part G.
如果您提供了贵电厂名称，您不必完成单元F的剩余部分，便可直接进入单元G。
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