It says, given a low and a high range, 9 in this case it would be zero to nine.

给它一个下限和一个上限，在这个例子中就是0到。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, similarly in a case where instead we have a small energy difference, we're going to have a low frequency, which means that we're going to have a long wavelength here.

在这个例子里,能量差较小,我们得到的频率低,这意味这它的波长更长。

麻省理工公开课 - 化学原理课程节选

In the second case, if both firms undercut each other, you end up with low prices, that's actually good for consumers but bad for firms.

在第二个案例中,如果两家企业互相削弱,最终会压低价格,这对消费者有利,但对企业不利

耶鲁公开课 - 博弈论课程节选

So, for example, we have this average level, and then it can go high where we have the peak, or it can go very low. We can also discuss sound waves, so again it's just the periodic variation of some property -- in this case we're talking about density, so we have high density areas and low density areas.

例如这是平均位置，在峰的位置水位高，在谷水位低，我们也可以,讨论声波它也是某种,量的周期变化，在这里我们,讨论的是密度,我们有高密度区和低密度区。

麻省理工公开课 - 化学原理课程节选