The alarming prediction that the Himalayan glaciers are receding faster than those in any part of the world was made in a 2007 report by the U.N.'s Intergovernmental Panel on Climate Change.

VOA: standard.2010.01.23

So, what we have left in our equation is only one part that n we haven't explained yet, and that is that n value.

现在方程里只剩下一个常数,我们还没有解释，这就是。

麻省理工公开课 - 化学原理课程节选

We can plug this in further when we're talking about the visible part of the light spectrum, because we know that for n final equals 2, then that would mean we plug in 2 squared here, so what we get is 1 over 4.

当我们讨论可见光谱的时候,我们可以把这个代进去,因为我们知道n末是等于2的,这意味着我们可以。

麻省理工公开课 - 化学原理课程节选