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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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Notice in the class definition here, is there, this is the first thing that's got called, and I just called with the value for x and the value for y, and it went off and did something for me.
就在这里，这是第一个被调用的东西，我用x的值和y的值调用了它,然后这个方法继续进行，并为了做了一些操作。
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Good, good to define to solve out for X: X is when this blue line equals, sorry, this blue line equals this red line.
很好,解释得很清楚,要解出X,X是这条蓝线,与红线的交点
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He died long before the search for Planet X resulted in the discovery of Pluto.
VOA: special.2010.07.11
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If I told you 3x + 2y = 9 and 4x + 6y = 6, you certainly know how to solve for x and y, right?
如果我给出 3x + 2y = 9,和 4x + 6y = 6 这两个方程,你们肯定知道怎么解出 x 和 y,对吧
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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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What is the probability distribution for x/n in that case?
在这样的情况下,x/n的概率分布是怎样的
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Mister Lowell himself searched for Planet X for two years starting in nineteen-oh-five.
VOA: special.2010.07.11
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Some others If I might have a right to X, do you have a duty to fulfill that for me?
其他的像如果我有某项权利，你有没有义务帮我实现？
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He decided to seriously search for Planet X.
VOA: special.2010.07.11
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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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The X-15 tested materials for space vehicles.
VOA: special.2010.07.07
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x It says, take the name x and create a binding for that name to the value of the sub-expression and in fact to do this, to stress a point, let's do that.
它的意思是，创建了一个名字,然后创建了对于这个名字,和子表达式的值的绑定,实际上这么做，我们是为了，要强调一个点，让我们来说说这个点。
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He says these include X-ray machines, electronic imaging scanners, laboratory equipment and basic items, such as elevators for hospitals.
VOA: standard.2010.06.01
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You're not responsible for that, you're not responsible y for correlating +1 to y, minus 1 to x.
你们不需要了解这些，你们不需要,记住+1对应。
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It's still 1, because you plus plussed the wrong symbol called X. So for now, take-away from this, don't do this.
它还是1，因为你自增的是那个错误的叫做X的符号,现在，拿走这个，不这样做。
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I think it becomes 30 degrees for the freezing of water and 22.5 x 4, which I don't know what it is, 90 100 or something -- no, it's 90 I think.
我想水的冰点,应该变成了30度,22。5，4，我不知道是多少，大概100左右--不，我想是。
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This is a chest x-ray that would be taken in your doctor's office, for example, or a radiologist's office.
这是一张胸部的X光片,人们会在医生的办公室,或放射科医生的办公室之类的地方见到它
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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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F is the continuous probability distribution for x.
是x的连续型随机变量的概率分布
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So I can solve out for X.
因此我能解出X的值
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And you can think about that if you think about a standing wave, for example, where you can have amplitude at many different values of x, so an amplitude at many different distances, but you also have areas where there is a amplitude.
你们可以想象一下驻波，在不同ｘ处,可以有不同的振幅，在不同的距离有不同的振幅，但在某些地方振幅等于０．
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Right now it's a simple template, but it's a template for creating what a class looks like, and I now have an x- and y- value associated with each instance of this.
那么大家明白了为什么，我说类是一个模板了，对不对？,现在它只是一个简单的模板，但是它是一个用来-,创建形成一个类的模板。
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Well, I don't have to use that name for every copy of X, and as we'll see in a moment.
好的，我并不需要每次使用那个X的名字，我们一会儿将看到。
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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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And most of these commands you don't actually need but this little caret symbol means control, so every keyboard these days has a control key so you hold that and hit X for instance to exit the program.
这里大多数命令你们都用不着,这个小插入符意味着控制，每个键盘都有一个控制键,譬如，当你敲入X时，就退出这个程序。
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But here, if I decide I'm going to store things not in x and y, but with some other set of names, for example, I've gotta go back into these pieces of code that use the points, and change them. So I've lost modularity.
除了要改下借口,但是这里，如果我决定，我不把值放在x和y中，而是和其他一些变量名进行绑定,例如这样的话,我就得回到使用这个点的代码，那儿去做更改了。
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Somebody who is a math major, tell me how to solve out for the X and the Y.
哪个数学专业的同学,来告诉大家如何解出X和Y的值
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x Sorry for the overloading of the word x.
很抱歉这儿出现了两个。
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OK, for example, I might say point p1 is that list, x is 1, y is 2.
和y坐标的数组是很简单的1,那么，例如，我可能会说点。
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