I made the reservation back then and then I thought it would be a good place to ask Nancy to marry me."
VOA: standard.2009.12.25
So once we cover it, it will then be fair game to ask these photoelectron spectroscopy or these photoelectric effect questions using the wavelength of the electron.
所以一旦我们涉及到它,问及光电子能谱或者,用电子的波长问及,光电效应是一样的。
Those of you who think it's not okay, none of these, should ask yourself why and should then scrutinize your reasons.
认为有问题的人,觉得这些例子都有问题的应该问自己为什么,然后仔细推敲自己的理由。
应用推荐