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The study did find improvements in sub-Saharan Africa in the last five years,however, possibly as a result of expanded efforts against AIDS.
VOA: special.2010.05.05
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a0 This is equal to a sub nought for a hydrogen atom, and we remember that that's just our Bohr radius, which is . 5 2 9 angstroms.
它等于,我们记得，这就是波尔半径,也就是0，529埃，实际上。
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Sure. Cognitive Science is a, it's a sub-section of Psychology,
当然。认知科学，是心理学的一个分支，
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The project for sub-Saharan Africa is to be part of a worldwide soil-mapping project.
VOA: special.2009.01.20
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And basically, what that means is you can actually find an electron anywhere going away from the nucleus, a0 but you're most likely to find that you have the highest probability at a distance of a sub nought, or the Bohr radius.
它说明，虽然你可以,在任何地方,找到电子，但在距离为,或者波尔半径的地方,找到电子,的概率最大，我说过。
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"Many mothers deliver at home in sub-Saharan Africa and it's very difficult for them to get to a hospital or clinic which may be miles away in that time period.
VOA: special.2010.05.24
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It's a helpful little story to remember, because we tend to think of Greece because of its modern geography as that peninsula of which there is a sub peninsula at the bottom, which is Peloponnesus.
这是个很生动的比喻,因为我们都认为现代希腊的,地理环境,在其底部是,一个分离于大陆的半岛,即伯罗奔尼撒半岛
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"What is necessary in this case is a collective effort, not only by the researchers and the people on the ground, but also the donor community, because controlling those two diseases can go a long way in improving people's food security and livelihoods in Sub-Saharan Africa."
VOA: special.2009.09.21
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We've got some chords set out and we're going to-- we've got some chords set out here and we're in the key of C at this point, and we're going to hear Beethoven go to a tonic chord, then a sub-dominant chord, then a tonic chord, then a dominant chord and so on.
我们看到有一些和弦-,而我们现在在C调的位置上，然后听贝多芬的主音和弦，然后是次属音和弦，然后是主音和弦，接着是属音和弦，如此往复。
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Once a journalist took the government to court, it became sub judice and we could not discuss it anymore,".
VOA: standard.2009.12.28
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The notion here is that you can get a globally optimal solution from locally optimal solutions to sub-problems.
这里的概念是你可以通过,子问题的局部最优方案,得到全局优化解决方案。
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And in sub-Saharan Africa, where only four percent of the land is irrigated, buying a small pump can make a big difference.
VOA: standard.2010.08.09
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What I want you to remember is that specific sub-populations of cells get activated, the activation results in a specific response.
我希望你们记住的是,一些特定的细胞亚群受到刺激时,被激活细胞将引起特定的应答
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"So it is not the worst impacted country in sub-Saharan Africa by a long shot."
VOA: standard.2009.11.15
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Yeah. This a sub nought.
嗯，这个a下标。
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The website is overseen by a group of working physicists, but you don't need a Nobel Prize to join in the adventure of sub-atomic particles.
VOA: standard.2010.03.05
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And what he came out with when he did some calculations is that there's the radius that he could calculate was equal to this number a sub nought, which is what we call the Bohr radius, and it turns out that the Bohr radius happens to be the radius most probable for a hydrogen atom.
等于这个a0的值,我们叫它波尔半径，而,波尔半径恰好是,最容易，找到电子的地方，我们对波尔模型,不做过多的解释,这是因为。
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Three-quarters of the world's AIDS deaths in 2007 were in sub-Saharan Africa where most health official recommend condoms as a way to prevent its spread.
VOA: standard.2009.03.22
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Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.
就是从那里得来的,完成这些后,回到上一步。
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Three-quarters of the world's AIDS deaths in 2007 were in sub-Saharan Africa where most health officials recommend condoms as a way to prevent its spread.
VOA: standard.2009.03.20
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That this recursive call had two sub-problems of a smaller size, not one.
而不是一个,这会有很大的不同。
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Almost half of the women living in 68 countries of sub-Saharan Africa and South Asia give birth without a midwife, doctor or a skilled birth attendant.
VOA: standard.2010.06.15
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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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As a consequence, many of these products are ineffective,sub-standard, and in some cases dangerous.
VOA: standard.2010.03.09
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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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"For farmers in sub-Saharan Africa who are subsisting on very little money, a small reduction in price based on American subsidization is a big deal to them."
VOA: standard.2010.04.28
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OK. And then the exponentials, as you saw is when typically I reduce the problem of one size into two or more sub-problems of a smaller size.
好，然后说到指数级，正如你所见，典型的例子是,我讲一个问题分解成为,两个更小规模的子问题。
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Developing agriculture in Africa has become even more urgent since the United Nations warned in a report earlier this month that governments must increase investment in agriculture because a billion people around the world are going hungry in sub-Saharan Africa.
VOA: standard.2009.10.20
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I'll let you just grok it but you can see it's basically doing what I did over there. Setting up two indices for the two sub-list,it's just walking down, finding the smallest element, putting it into a new list. When it gets to the end of one of the lists, it skips to the next part, and only one of these two pieces will get called because only one of them is going to have things leftovers.
你们可以大体的浏览一下,但是它们基本就是我在那里所做的事情,为两个子列表设置了两个指针,指针顺着列表走下去，找到最小的元素,把它放入到一个新的列表中去,当它走到一个列表的尾部时,它会跳到下部分去,两部分中只有一个会被执行,因为只有一个会有元素剩余。
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n l So negative e, which is sub n l, because it's a function of n and l in terms of quantum numbers.
也就是负的，E，下标是，因为它是一个,关于量子数，n，和，l，的函数。
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