Depending on where the assets expected returns are and the assets' standard deviations, we can see that we might be able to do better than--have a lower variance than either asset.

根据资产的预期收益,以及收益的标准差，可以看到我们有更好的选择,这里的方差值比以上两种方案都要低。

耶鲁公开课 - 金融市场课程节选

And when we're talking about orbitals in the same state, what we find is that orbitals that have lower values of l can actually penetrate closer to the nucleus.

当我们谈论在相同态的轨道时,轨道事实上，我们发现的,是具有较低l值的,可以穿越到距离原子核更近的地方。

麻省理工公开课 - 化学原理课程节选