At the same time, diplomats are preparing for the resumption of talks between Iran and the five permanent members of the U.N.

VOA: standard.2009.09.25

So between b e, and b, between n and o, magnesium and aluminum, and then phosphorous and sulfur, what we see here is that we're kind of going down, or quite specifically, we are going down.

比如从铍到硼，从氮到氧，从镁到铝，从磷到硫，我们在这些地方看到有点下降，或者可以明确地说，我们确实在下降。

麻省理工公开课 - 化学原理课程节选

So, the first thing we do is put two electrons between h and c, and then two electrons between c and n.

那么，我们先在氢和碳之间放两个电子，然后在碳和氮之间再放两个电子。

麻省理工公开课 - 化学原理课程节选

The U.N.Conference on Trade and Development says eco-fashion brings in between $150 million and $200 million a year.

VOA: standard.2010.01.31

There are some relative, the notion that the energy gap between n equals one and n equals two is greater than that for n equals two to n equals three. That is correctly represented.

还有很多与之相关的内容，比如说这个观点，第一能量级和第二能量级,之间的能量差要大于第二和第三能量级间的,能量差，而这已经被正确地表示出来了。

麻省理工公开课 - 固态化学导论课程节选

There is standing tension between the Afghan-run Election Commission, which counted the ballots, and the U.N.-backed Complaints Commission, which invalidated the fraudulent ballots.

VOA: standard.2009.10.28

Where n'th is somewhere between and 2 in this case.

而在这个例子中第n个元素,就是2和5之间的一个数。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the main points of contention between the Maoists and other political parties is the future of about who are currently confined in U.N.-supervised camps.

VOA: standard.2010.07.29

So, it would be a good question to ask n why are we limited clearly there's this relationship between l and n, and we can't get any higher than n equals one.

那我们要问了,为什么我们被限制了，很明显，l和,有关系，为什么不能取到，n-1更大的值。

麻省理工公开课 - 化学原理课程节选

The U.N.refugee agency reports deadly clashes between government forces and rebel groups have forced about one-quarter of a million Somalis to flee the capital, Mogadishu since May.

VOA: standard.2009.09.26

N and this is known as the Born exponent.

在6到12之间，，N，lies，between，6，and，12，这就是著名的波尔指数。

麻省理工公开课 - 固态化学导论课程节选

(Speech) Iran's official Arabic-language al Alam TV is reporting (No Transcripts) The Iranian Student News Agency reported earlier the head of the parliament's national security committee, Alaedin Borujurdi, would put the U.N.draft nuclear deal between Tehran and the West to a vote of his committee after discussing its pros and cons.

VOA: standard.2009.10.28

So when we talk about a wave function squared, n l m he wave function, any one that we specify between n, l and m, at any position that we specify based on r, theta, and phi.

一个波函数,的平方时，对特定,特定位置r，theta，phi波函数，取平方,如果我们取平方。

麻省理工公开课 - 化学原理课程节选

The differences between those energy levels are becoming smaller and smaller as the n number rises.

那些能级间的差异,会随着n值的增加变得越来越小。

麻省理工公开课 - 固态化学导论课程节选