"There has to be this constant connection." "People have to constantly be analyzing the power structure, how that works, how that impacts their everyday life.

VOA: standard.2010.02.24

And, we knew that if we know the crystal structure we can get the Madelung constant, not a problem.

我们都知道只要有了晶体结构,就能知道马德隆常数。

麻省理工公开课 - 固态化学导论课程节选