The visit by Secretary of State Clinton to Iraq comes on the heels of a wave of bloody suicide-bombings which threaten to destabilize the country, just weeks before U.S.troops are set to withdraw from major Iraqi cities.

VOA: standard.2009.04.25

There's far more Alphas - wave your hands the Beta's okay.

远远少于选α的,先不要放下手

耶鲁公开课 - 博弈论课程节选

But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?

但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？

麻省理工公开课 - 固态化学导论课程节选

And what here is just a graph of the 1 s wave function going across some radius defined this way, and you can see that the probability - well, this is the wave function, so we would have to square it and think about the probability.

这里是,1s波函数,沿这个方向的图，你们可以看到概率,这是波函数，所以我们可以把它平方,并想成是概率。

麻省理工公开课 - 化学原理课程节选