Not so close that the repulsions dominate.

不会近到排斥相互作用占据主导地位的地步。

麻省理工公开课 - 热力学与动力学课程节选

So that you take every sodium and you count all of its nearest neighbors, next nearest neighbors, next next nearest neighbors, not only on a line but in the plane and above and below in all three dimensions and go through that calculation, it is even more negative.

你考虑到每一个钠原子,你要考虑到它最近的原子，第二近的原子，第三近的原子，不是在一条线而是在一个面上,以及面上与面下的三维空间,再完成计算，这将会更负。

麻省理工公开课 - 固态化学导论课程节选

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