This is the largest single group allowed to go home since a military campaign to defeat the Tamil Tiger rebels ended this May.

VOA: standard.2009.10.23

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

And by state we just mean orbital, so if we're looking at the p orbitals here, x that means that a single electron goes in x, and then it will go in the z orbital before a second one goes in the x orbital.

我们说的态仅仅意味着轨道，所以如果我们观察这里的p轨道，那意味着单个电子进入，然后它会进入z轨道,在它第二个进入x之前。

麻省理工公开课 - 化学原理课程节选