"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 from Togo: I want to know what would happen if we inject some plasma water into the food?
来自多哥的F：我想知道如果我们在食物中注入等离子体水将会发生什么？
F from Togo: I want to know what would happen if we inject some plasma water into the food?
从多哥：我想知道的是，当我们把等离子水注入食物里时，会发生甚么事？
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。
This flawless flight allows us to move into the next phase. In the next couple of weeks, we will ferry F-15E1 to the test range and launch an AIM-120.
这次完美的飞行使得我们可以进行下一阶段的研究，在未来几周内，我们将把F - 15e1运送到试验的距离来发射AIM - 120。
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。
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？
F: Well, we have all kinds of beverages in addition to fruit juices.
空服员：是这样的，除了果汁外，我们还有各式各样的饮料。
While most of the environmental problems we face result from the use o f technology, society must depend upon technology to find solutions to these problems.
虽然我们面临的大多数环境问题都来源于科技的应用，我们应该依靠科技本身来寻找这些问题的解决方案。
"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。”
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。
So after applying F() we still have two amplitudes with value "+0.5" and two with the value "-0.5."
因此应用F()后我们仍有两个振幅的值为“+0.5”，两个振幅的值为“-0.5”。
What we would start doing immediately is taking the partial derivatives. What is f sub x?
我们首先要做的事是,求偏导数，fx是多少？
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)。
We also have 20 concessions around the world, in stores like Toys “R” Us and F.
我们在世界各地还有20个特许代售点，比如玩具反斗城和F.
The first observation is we cannot use our usual method of looking for critical points of f.
好，在这种情况下我们首先发现,之前用来找极值的方法都不可用。
We start with the F-22 Raptor, the newest fighter in the US Air Force arsenal.
我们先从美国空军武器库中最新型的战斗机——F – 22“猛禽”开始。
We made good progress, and were soon heading west where, unbeknown to us, there was a heatwave – temperatures were predicted to reach 102?F in the shade.
我们的骑行速度很快，不久就转为朝西的方向，但不知道那里正经受着热浪的袭击——天气预报说在阴影处的温度就可高达102华氏度。
We have three conditions, F= so our criterion -- Vector field F equals .
有三个条件，因此我们的标准，向量场。
But let's take a look, just like we did last time f or the simpler case that we treated then, let's take a look at the high and low temperature limits of what happens to the heat capacity.
但让我们来看看，就像对于上次那个,比较简单的例子我们的处理方法一样，我们来看看在高温或低温极限时,热容是怎样的。
Then, yes, we can apply Green's theorem and it will tell us that it's equal to the double integral in here of curl F dA, 0 which will be zero because this is zero.
那就可以使用格林公式了，并且我们知道,它就等于的二重积分，结果为0，因为旋度F等于。
To counter F-22 we can develop more sophisticated radar instead which is much more cost effective.
为了对抗f - 22战斗机，我们可以开发更先进的雷达，而不是它更具成本效益。
The -f switch again points to our file, and -p indicates that we want to restore archived permissions.
这里的-f开关同样指向归档文件，- p开关表明我们想要还原归档的权限。
As soon as the channel is opened, we execute a custom command — in this case, a tail -f on the Weblog file whose name is specified on the command line.
通道一旦打开，我们就执行一条定制的命令——本例中是Weblog文件中的一条tail - f命令，其名称在命令行中指定。
We also set variables to remember the values of any data associated with the option, such as the page length in the case of the "-l" option and the print destination in the case of "-f".
我们还设置变量以记住与该选项相关联的所有数据的值，例如，有“-l”选项时记下页长，有“-f”时则记下打印目的地。
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？
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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