So again, when we check these, what we want to see is that our z effective falls in between the two extreme cases that we could envision for shielding.

所以当我们再一次检查这些时，我们想看到的是,有效电荷量处于两种极端案例中,这两种极端案例。

麻省理工公开课 - 化学原理课程节选

Rather, by looking at extreme cases, they can help us best understand normal life.

相反,研究这些极端的例子,可以帮助我们理解正常的生活

耶鲁公开课 - 心理学导论课程节选

Well, the reason, the way that we can check it is just to see if it's in between our two extreme 1 cases. We know that it has to be more than 1, because even if we had total shielding, 1 we would at least feel is the effective of 1.

好的我们可以检查它的原因和方式是观察,它是否在我们的两种极端案例之间,我们知道它必须大于，因为即使如果我们有完全的屏蔽，我们最小感到的有效值是。

麻省理工公开课 - 化学原理课程节选

One reason this game is interesting from the point of view of economics, is this game lies between the two extreme cases that you learn about in your Intro Economics class.

从经济学角度看,这之所以有趣,是因为这个博弈介于,经济学导论的两种极端情况之间

耶鲁公开课 - 博弈论课程节选