This is the fact that we occupy a finite volume in space, because they're little hard spheres in this molecule.

这是由气体分子在空间中,占据有限体积造成的,因为事实上它们是硬的小圆球。

麻省理工公开课 - 热力学与动力学课程节选

But part of the process of being systematic is not assuming that I'm going to get a lucky guess. But not even thinking really hard at this point. But just pruning the search space.

但是系统化的过程是不允许,假设我做出了,一个幸运的猜测的,而是逐步缩小搜索空间。

麻省理工公开课 - 计算机科学及编程导论课程节选