We have a converse if F is defined in the entire plane.
如果F定义在整个平面上，反过来成立。
So you can see now if the object comes to you, in other words, f if f prime is larger than f, if the frequency is higher, then the wavelength will be smaller.
所以你可以看到,如果物体靠近你，换句话说，如果f撇大于，如果频率变高，波长就会变短。
If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in American sign language.
如果你用拇指和其他手指做一个 “OK” 的手势，那就是美国手语中字母 “f”的形状。
"If we don't ask about sleep and try to improve sleep patterns in kids' struggling academically, then we aren't doing our job," F said.
“如果我们不询问孩子的睡眠情况，不努力改善孩子在刻苦学习时的睡眠模式，那么我们就没有做好自己的工作。”F说道。
F: Feel free to drop by my office if you have a question.
F：如果有问题，请不要客气，随时到我的办公室来。
So, for example, if we need air superiority capabilities in 2025, and we are not going to buy sufficient F-22s, we better begin a new air superiority fighter program today.
举例来说，如果我们在2025年需要空中优势的能力，我们又不打算购买足够的F – 22 那么 我们最好今天就开始一个新的空中优势战斗机的项目。
F: Don't get too carried away; if you can smell a floral perfume it's because we're standing next to the roses!
弗洛拉：别想得太远了，如果你能闻到花香，那是因为我们正站在玫瑰花旁边！
So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be?
那么，我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么，负一价的氟离子就是与它等电子的，我们还有氧-,氧应该是几价的？
And that is indeed going to be the curl of F. in practice, if you have to compute the curl of a vector field, you know, don't try to remember this formula.
这就是F的旋度，在实际应用中，如果你必须计算一个向量场的旋度，不要尝试记忆这个公式。
Even if Mr Burbage is too sanguine, the F-35 is in no imminent danger.
即使博比奇过于乐观，F - 35也并没有迫在眉睫的危险。
F or — flush: This command deletes all rules inside a chain if a chain name is specified or all rules in all chains if no chain name is specified.
f或——flush：如果指定链名，该命令删除链中的所有规则，如果未指定链名，该命令删除所有链中的所有规则。
Int a Well, one, function has called swap, takes one int called a, printf followed by another int called b, and as we've seen with print f, if you have multiple arguments, you separate them by commas.
好的，函数叫做swap，一个参数是，另一个参数是int,B，我们看到的，如果你有好几个参数，把它们用逗号分开。
Good luck navigating a page if you're granted the miraculous occurrence of it being rendered in a state that's usable. Grade: f.
如果奇迹般的碰上一个它能正常显示的网页，你就真是撞大运了。
We said if we had a constrained minimum or maximum, if we move in the level set of g, f doesn't change.
我们说，如果我们找到了在某个限制下最值点，如果我们在g的水平集里移动，f的值是不会变的。
So if this distance, a if this radius is a then the magnitude of F will just be a.
所以的话，如果这半径是a，那么F的值就是。
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。
If you have a messages in the form that following, the "f" indicates that that the method did not compile.
如果您看到如下格式的一条消息，其中“F”表示这个方法没有被编译成功。
If the vices very significantly outweigh whatever virtues there are, that's some kind of an f.
如果论文的缺点非常一定及肯定比优点多，那大概就是F了。
If the company can deliver the planes for the price it quoted, it will assuage F-35 doubters in Congress and cash-strapped Allies who will be buying the jet, analysts have said.
分析家们说，如果该公司能够以该低报价交付飞机，它会缓和国会和购买飞机的现金短缺的盟友中f - 35的怀疑者的态度。
I tell them, ‘If you go to sleep, you can dream about Zio F. T. and he’ll play withyou, ’ “ Mrs. Chiari said.
“我告诉她们，‘如果你们去睡觉的话，就会梦到F.T.叔叔，他会和你们一起玩，’”基里亚说。
If he was to cut Lockheed Martin's F-35 jet, for example, the unintended consequences would be intolerable.
比如说，如果他打算削减洛克希德马丁公司的F - 35战机，预料之外的结果将是难以容忍的。
The truth is probably somewhere between those extremes, especially if the J-20 has F-117 DNA.
事实的真相可能介于两者之间，特别是J - 20带有F - 117的影子。
We cannot see them everyday. F: If they lived with us.
他们不能跟我们一起住。
The -f operator returns true only if the file exists.
只有在文件存在时，-f操作符才返回true。
If you use this option, be sure to specify the whole path of the file after f so that IDS will not be confused about the file location.
如果使用该选项，请确保在f后指定文件的整个路径，从而 IDS不会将文件位置弄错。
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。
The commands to be run are read from a file specified with the -f option, or from stdin if -f is not used.
要运行的命令是从 -f选项指定的文件读取的，如果没有使用 -f，那么从stdin 读取。
If you want to "clobber" existing files as the rename progresses, add the -f flag.
如果您希望在进行重命名的过程中删除现有的文件，那么可以添加- f标志。
If now we want to know what f prime is, f v/c plus v over c times the cosine of theta.
若想知道f撇的大小，撇等于f乘以1，then，f，prime，equals，f，times，one,加上,乘以cosθ
If now we want to know what f prime is, f v/c plus v over c times the cosine of theta.
若想知道f撇的大小，撇等于f乘以1，then，f，prime，equals，f，times，one,加上,乘以cosθ
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