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"We know only about thirty-three percent of women have access to a program that actually has services in place to prevent mother-to-child transmission.
VOA: special.2009.07.29
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We need to know not only what are the primitives, but how do we make things meaningful in that language.
我们不仅需要知道什么是基本类型，还要知道我们在那种语言中,怎样使其变得有意义。
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As we all know, this only works if there is a pointee, which kind of gets back to rule number one.
众所周知，只有当有指针数据时，这个才起作用，这有点像第一条规则。
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But this of course, as we know, is only one of the ways in which Milton's power, or what Woolf thinks of as his leadership, can be thought of.
但我们知道，这不是看待,弥尔顿的力量，或者伍尔夫所指的他的领导力，的唯一方式。
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In other words, only if we really are sure that the historicist act of reading is effective and works, if I know the meaning of a text. Well, fine.
换言之，要是我们确定,阅读这个历史主义行为是有效的，有用的，如果我知道文本的意思，那么，很好。
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This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.
这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想，我们只有一个选择，我们将在碳与氮之间形成一个三键。
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You know, the only reason we set up a board was that we were going to raise capital.
我们设立董事会的唯一原因是,我们要筹集资金。
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And in these experiments we not only need to learn what has been learnt, but also have to learn what it is that we don't know.
在这些试验里我们不仅,要知道已知的知识，还要知道,我们不知道的内容。
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The answer lies in, if only we could know is that the same hunk of stuff or not.
要知道答案，我们就要,我们就要知道是不是同一块东西。
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It is only speculation, but it seems to make sense and we know we don't hear of such troubles within Athens and Thebes, and Sparta.
这只是猜测,但却有理可言,我们在雅典,底比斯和斯巴达,都没有看到这些状况
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At this point we know only the most general features of what a polis is.
到目前为止我们仅知道,城邦最广泛的特色。
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Well, the only way you know is to do studies-- and we'll talk about how these are done in the next class-- linking dietary behavior, food intake with health.
了解这些的唯一方法是做研究,而在下一节课,我们会谈论具体过程,联系饮食习惯,食物摄入与健康
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So if we lower the synergy here, not only do I contribute less effort, but you know I contribute less effort, and therefore you contribute less effort and so on.
如果我们减少协同参数,不但我会少付出努力,而且你也知道我会少付出努力,因此你也会少付出努力,以此类推
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And that's our obligation to send them to war only when we have to, and only when we know they can actually achieve their mission is a key difference between what I advocate and what the neo-cons advocate.
我们有义务,在必须的时候，送他们上战场，我们必须确保,他们一旦奔赴战场就能完成使命,这是重大的不同,我和新型保守派主张的不同之处主要在此。
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But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?
但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？
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Then we realize once again that we can only know what it is if we come to understand--in this case, probably, it's best to say a cultural system, understood as a semiosis, within which it appears.
这样我们就又明白了,只有在一个特定的文化系统中,我们才能认识一个符号。
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And he actually did this in the late 1800's, back before even all of the elements that we know today were discovered, really only about 60% or so, 70% were discovered then that we now know today.
他最终在十九世纪晚期完成了这一壮举，难能可贵的是,虽然我们现在已经发现了所有的元素，但在当时已知的元素只有我们现在知道,百分之六七十，在这种情况下。
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to the process whereby the heavenly angels not only eat food but they also digest it; and Milton lets us know, whether we want to know or not, how those angels actually excrete the food they have taken in.
去描述天堂的天使不只吃食物而且要消化它的过程,弥尔顿让我们知道，不管我们想不想，这些天使怎样排泄出他们吃的食物。
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So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent.
显然这看起来是一个问题,因为我们知道实际上，甲烷是四价的，而这告诉我们它仅仅是二价的。
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That makes sense because we know that every single electron has to have its own distinct set of four quantum numbers, the only way that we can do that is to have a maximum of two spins in any single orbital or two electrons per orbital.
那个讲得通,因为我们知道每一个电子,都有它自己独特的量子数,我们能做的唯一方式是,在任一单个轨道中最多有两个自旋电子,或者每个轨道有两个电子。
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As much as we know about tobacco in the United States and the fact that there are only half the number of people smoking than used to be the case, it's still expected to rise by 45% worldwide By 2030 the deaths attributed to smoking will increase from four to ten million.
就我所知美国的烟民情况,在美国吸烟的人数,只有过去的一半,在世界范围内仍有预计45%的增长,到2030年,死于吸烟的人数,将由四百万增长至一亿
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And when we talk about l it is a quantum number, so because it's a quantum number, we know that it can only have discreet values, it can't just be any value we want, it's very specific values.
当我们讲，l是一个量子数时，因为它是量子数，我们知道，它只能去分立的值，它不能取到所有的数，它取一些确定的数。
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I think the more we think about it, the more we realize that we only know what it is if we know the system that it belongs to, which is to say, all of the things related to it which it is not. Right?
你们越仔细想这一点，就越明白，我们只有知道事物所属的符号系统,才能认识事物，所有事物都是和同一符号系统中的反面相关的？
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But is has another sense which is not a rhetorical sense, because metaphor is sort of the heart of rhetoric, the rhetorical sense A is B--when, by the way, A we know perfectly well that A is not B. How can A be B? A is only A.
但是is有另外一个意思，修辞之外的一种意思，因为暗喻差不多可以说是修辞的中心，修辞中所说的A是B，顺便说一下，我们十分清楚地知道A不是B，A怎么能是B呢，A就是。
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If we have a double bond, we know we need to have only one sigma bond, and we're also going to have one pi bond.
如果我们有双键，我们知道我们需要一个sigma键，还需要一个π键。
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