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Mister Ban, Secretary of State Hillary Clinton and Haitian President Rene Preval led a conference of donors at the U.N.Wednesday.
VOA: special.2010.04.02
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But it grows pretty rapidly, as n goes up, and I'm going to show you an example in a second.
解决问题需要的时间会急剧增长，一会儿我会让大家看个例子的,我想大家注意的还是。
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So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.
注意它们之间的有一点不同，那就是一个有氮氢键,而另一个有氧氢键。
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The U.N.World Food Program says more than a billion people one in six worldwide do not get enough food to be healthy.
VOA: special.2009.11.23
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He urged revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism--w-a-r-r-a-n-t-e-e-I-s-m.
他促成了十八世纪五十年代后期,奴隶交易的复苏,还自己发明了一套理论,名为抵押品主义
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The only evidence was cut into a tree and a fence: the letters C-R-O and the word Croatoan,C-R-O-A-T-O-A-N.
VOA: special.2009.08.17
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All the energies are negative because it is a bound system. I start up here with n equals one.
所有能量级都是负数，因为它是一个束缚系统,在这里我从n等于1讲起。
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But both he and U.N.Secretary-General Ban Ki-moon said the agreement provides a hopeful beginning.
VOA: special.2010.01.19
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In the case of France again, they are the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.
例如法国,在佩皮尼昂 里尔 蒙梅迪等地方,这样的要塞城镇随处可见
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The report will be discussed at a U.N.biodiversity meeting set for October in Nagoya,Japan.
VOA: special.2010.05.25
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So if I start off with a list of length n, how many times can I divide it by 2, until I get to something no more than two left?
我能够除以多少次2呢？,直到我得到的长度不超过2么？,对数次，对吧？就像刚才那位同学说的那样？
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She has led the Tennessee Lady Vols to first place in eight N.C.A.A.national championships.
VOA: special.2009.03.20
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n If you want a literal percent, it's %% and then backslash n.
如果你想要一个百分比常量，就用%%，然后，反斜杠。
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And the discovery of genetics and D.N.A.molecules took place long after his death.
VOA: special.2009.02.25
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N'est pas? Who is a statesman? What is a statesman?
政治家是何许人也？政治家是啥玩意儿？
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The Obama administration is pushing for a new U.N.resolution with actions against Iran.
VOA: special.2010.04.17
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And this is called a "Pidgin," P-I-d-g-I-n, a pidgin.
这就是所谓的"混杂语言"
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The governments at the U.N.conference also reached a decision on another pesticide,DDT.
VOA: special.2009.06.23
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It could have ended any number of other ways, and just so this story could end a number of ways.
它本可能以N种其它方式结尾，也正是如此这个故事才能以若干方式结尾。
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A U.N.spokesman expressed concern about reports that government shelling has killed civilians.
VOA: special.2009.05.16
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So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.
如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。
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The N.E.A.and the National Parent-Teacher Association established Teacher Appreciation Week.
VOA: special.2010.04.30
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So, let's try another example here, and let's try a case now where instead of dealing with a neutral molecule we have an ion, so we have c n minus.
那么，让我们来试一下另外一个例子，这次不是一个中性原子,而是一个离子，氰离子。
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An R.N.must have at least a two-year nursing degree.
VOA: special.2009.08.13
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n l m s Once we have chosen a certain mix of n, l, m and s, it is used once for that particular atom.
一旦我们选定了一组量子数，它就只能被一个固定原子所有。
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The address is u-s-a-l-e-a-r-n-s dot o-r-g.
VOA: special.2009.01.15
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Remember, we saw that last time looking at the binary numbers. 2 to the n is a big number.
还记得吗，我们上次看过的二进制数,从2到n是一个很大的数。
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VOA: special.2010.04.12
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So it looks a lot less messy if we just draw our Lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there.
这看起来整洁了不少,如果我们把氰化氢的路易斯结构画成这样的话，这样我们就有氢与碳之间的单键和碳与氮之间三键，然后还有一对孤对电子在氮这里。
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And this is now consistent with my claim that I have sorted a list of size N equals 1.
这与我之前所说的是一致的,我已经将N为1的一个序列排好了序。
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