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Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.
VOA: special.2009.12.08
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For example, F x y z if I have an equation that looks like this, f of x, y, z.
打个比方，我有个这样的方程。
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It says, if answer, sorry, imagine x is -16, ANS is 0 is less than -16, no. So what does it do?
对不对？让我们来看看，如果答案，对不起0,如果x是-16的话，ANS为0，小于-16吧，对？
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The National Osteoporosis Foundation says a test called Dual-energy X-ray absorptiometry,or DXA, is the best test for osteoporosis.
VOA: special.2010.08.31
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Not to harp on the mathematical features of this, but cubing, AX*X*X you know, if you're starting to do AX star, X star, X, every time you want to cube some value in a program, it just feels like this is going to get a little messy looking, if nothing else.
不要总是说这个的数学特性，但是体积，你们懂的，如果你开始做，在一个程序中，每次你想算几个数值的体积，感觉它就变得,有一点凌乱的，如果没有其他的。
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One of them,the Apollo-11, traveled to the moon just seven months after the last X-15 flight.
VOA: special.2010.07.07
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px We'll call it either pi 2 p x, 2py if we're combining the x orbitals, or pi 2 p y.
我们叫它π,如果是x轨道组合的话，或者π
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After a few seconds, when the X-15 was safely away, the pilot started its rocket engine.
VOA: special.2010.07.07
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It's like I've got ESP or I'm some character out of the X-Men, Is that what it's called? The X-Men right?
好像我有超能力或者我是X-Men,是叫X-Men吧
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The first proposal for this new research vehicle, the X-15, was made in nineteen fifty-four.
VOA: special.2010.07.07
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Therefore, it'll compress by an unknown x, which is equal to mg divided by the force constant of the spring.
因此它的压缩量为 x,也就等于 mg 除以弹簧的弹性系数
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In the memorial, there is the X-1, the first airplane to fly faster than sound.
VOA: special.2010.07.07
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The violin string extends from x equals zero to x equals L, and we pluck the violin string.
弦从X轴指向原点,让x等于L，然后我们拉直那根弦。
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When he is clear of the B-52, he starts the X-15's rocket engine.
VOA: special.2010.07.07
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One of the labors of reading Paradise Lost is the reader's obligation to supply the analog for the X, and this poem is filled with such X's.
读的一个麻烦就是,读者需要自行类比出X究竟是什么，偏偏诗中又充满了这种不确定物。
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From under the plane's right wing, the black sharp-nosed X-15 drops free.
VOA: special.2010.07.07
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When we have n observations it's just the summation i = 1 to n of 2/n.
当有n个观察值,这就是在i取1到n时,x减去x均值的平方,除以n的累加
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In fact, he failed to recognize Planet X in a few photographs.
VOA: special.2010.07.11
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x Inside of that structure, create a variable name x, and a value associated with it.
创建了一个变量名为，然后给它赋值，请注意我也在这边做的操作。
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Today,the X-15 hangs in the Air and Space Museum in Washington,D.C.
VOA: special.2010.07.07
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It does, in fact, successfully increment X, because at this point in the story, X was not scoped to main.
它实际上成功的增加了X的值，因为在这个地方，X不是main中的范围。
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At about fifteen thousand meters, the B-52 released the X-15.
VOA: special.2010.07.07
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So this first little piece of code right here says, ok you give me 2 points, I'll create another 1 of these lists and I'll simply take the x, sorry I shouldn't say x, I'm going to assume it's the x, the x-values are the two points, add them together, just right there, the y-values, add them together and return that list.
好，为了来认识到这一点,让我们来看一个简单的小例子，在你们的课堂手册上，你可以看到我写了一个小程序,它假设我得到了，这些点中的一些，我想对它们做一些操作，例如我想把它们加到一起，那么这里的第一小片，代码的意思是，好给我两个点，我会再创建一个数组。
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Three months ago, someone stole a letter from Madame X.
VOA: special.2009.12.26
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And then from that start point, get the x-value. Same thing, from that instance, get the endpoint, from that end point get the x-value, square.
取得结束点，然后取得结束点的y坐标，然后求差开平方，然后同样求的y坐标。
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"Deece," or D-I-X,led to "Dixie."
VOA: special.2009.08.02
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Y Why don't I say int temp gets X. Let's say Y oh, sorry, X gets Y and then Y gets temp, this 2 would fail.
为什么我不说明，int，temp，=，X，让我们说明,哦，对不起，X=Y，然后，Y=temp，这两行将失败的。
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So we are looking at bio-markers, we're doing sophisticated X-rays, like functional MRI and spec-scanning to understand what happens in the brains of patients with fibromyalgia when they have pain, what happens to their brains when we treat that pain."
VOA: special.2011.08.02
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So you are supposed to know, for example, if x is t^, you're supposed to know dx/dt is nt^.
接下来你就会知道,例如,如果x=t^,那么dx/dt=nt^
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Y I'm not passing an x and I'm not passing a Y, &y I'm passing an ampersand x and ampersand y and can you take a guess as to what the ampersand operator must mean?
我不是传递X，也不是传递，我传递的是&x和,你们可以猜一猜,这个&符号是什么意思？
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