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They believe the simian immunodeficiency virus,S.I.V., probably crossed from chimpanzees to humans in the last one hundred years.
VOA: special.2009.09.08
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V So it's minus T dV/dT at constant p, plus V.
负的T乘以恒定压强下dV/dT，再加上。
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b It's RT over molar volume minus b minus a over molar volume V squared.
它等于RT除以摩尔体积V杠减去,再减去a除以摩尔体积的V杠平方。
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Scientists have believed that S.I.V.did not cause a similar immune system problem for primates.
VOA: special.2009.09.08
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Whenever you see a particle moving in a circle, even if it's at a constant speed, it has an acceleration, v square over r directed towards the center.
只要看到质点做圆周运动,即使是匀速圆周运动,也存在一个加速度,大小为 v^2 / r,方向指向圆心
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Doctor Hahn says she suspects chimps first got infected with S.I.V.
VOA: special.2009.09.08
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Now we're going to hear Beach Boys, IV I guess,with a three-chord chord progression and it's going to be sub-dominant , V dominant , I tonic .
而现在我们来听听貌似是沙滩男孩，三和弦进行，然后将会是次属音，属音，和主音。
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Civilian scientists used the V-2 rockets to study the Earth's atmosphere.
VOA: special.2009.06.10
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D-A-V-I-D Well, if I've got a five-letter word like D-A-V-I-D, well, that's like five bytes and yet we only have the ability thus far in this class to return one thing at a time I can't return five bytes to you, but wait a minute, those bytes by nature of a computer are just stored in RAM.
好的，如果有5个字母的单词，如，那是5个字节,我们只能返回一个东西,而不能返回5个字节，等一下，这些字节被计算机本能地,存储在内存中。
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The V Foundation was named for Yow's friend Jimmy Valvano.
VOA: special.2009.03.29
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S Formal charge equals v minus l minus 1/2 s.
形式电荷等于，V，减去，L，再减去二分之一倍的。
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Now,researchers say they have evidence that chimpanzees with S.I.V.
VOA: special.2009.09.08
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Aristotle certainly recognized that the accumulation of political knowledge you might say the gathering of data the organization of facts is very important. Books III IV V of the Politics shows the empirical side of Aristotle's politics.
亚里士多德确实,体认到积聚政治知识,你也能说是收集数据,整理实证是非常重要的事,政治学》第，III，IV，V，册显示出,亚里士多德政治的,经验依据层面。
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Seventeen chimps were found to be infected with S.I.V.
VOA: special.2009.09.08
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b If we put it as minus b, that's just equal to a over V squared.
如果我们写成负，这里就等于a除以V的平方。
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What some call the V-word - Vietnam is increasingly heard in the growing debate over U.S.involvement in Afghanistan.
VOA: standard.2009.09.09
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If you want to write it as a vector equation, you want to write it as v square over r minus-- I want to say that it's pointing in the direction toward the center.
如果要写出矢量方程,就应该写成 -v^2 / r,也就是说,方向就向圆心
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"The U.S.data should remind us that this recovery is not likely to be V-shaped It seems to me that we are going to see rising unemployment for a long time yet,"
VOA: standard.2009.08.05
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So if I take p times V to the gamma, anywhere on the path, it's going to be equal to the same relation This is going to be true for any point on the path.
结果都，将等于，初态点的,只要在这条路径上。
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That's all these cripplesdown at the V. A...
VOA: standard.other
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So that's I,IV,V,I.
所以是一，四，五，一。
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The U.S.Moon mission came on July 16,1969, when Armstrong, along with astronauts Buzz Aldrin and Michael Collins, climbed into Apollo 11's command module called Columbia atop a gigantic Saturn V rocket and blasted off.
VOA: standard.2009.07.16
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v We don't know what it is yet. In order to change this from a p to a V, you have to use the chain rule. So let's use the chain rule.
为了把这里的p变成,我们需要利用链式法则,好，让我们使用链式法则。
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5 So similarly would there be the number 65 next to this then the corresponding number for V-I-D and then there's generally a special character at the end that looks like a zero that says end of string here.
同样，A就是,接着再填上V-I-D对应的ASCII码,在最后还有添上一个特殊的字符,有点像0，代表这是该字符串结束。
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Minus p, right? But in fact, if you go back to the van der Waal's equation of state b here's RT over v minus b.
再减去p，对吗，但是实际上，如果你代回范德瓦尔斯气体的状态方程,这里是RT除以摩尔体积减去。
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D-A-V-I-D So when you get a string like D-A-V-I-D, what's really happening is inside your computer's RAM is going a byte where there's some zeros and ones.
譬如你有这么一个字符串，而在你电脑的RAM里将会变成,一个个由0和1组成的字节。
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Which we've expressed now in terms of S and V, S and p.
我们把他们写成S和V以及S和p的函数。
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Vdp So dG is minus S dT plus V dp.
结果是dG等于负SdT加上。
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So I just have to see, oh, here's a D, let me keep looking, D here's an A, keep looking here's a V, here's an I, here's a D and yet, and this is one tidbit we introduced a week or so ago, how do I now know if I'm just given the address of the start of the string where the end is?
我只需要看到，哦，这里是一个D，让我接着往下看，这里是A，接着这是V，这是I，这是,然而，这是我们一周以前介绍的花絮，如果你给我一个字符串开始的地址,我怎么知道它什么时候结束？
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So there's p v work and it's given by the integral minus p external dv or just the integral from one to two of dw.
我们知道对于pv系统来说,功w可以写成黑板上的两种不同形式。
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