It implies that this algorithm is calling itself again and again, and again, and on each time the size of the problem I'm trying to sort is being divided by what?

这就说明此算法会一次又一次地调用自己,每次我要排序的问题规模大小,会除以多少呢？

哈佛公开课 - 计算机科学课程节选

It would be much better if you had a reference point that didn't care where the pressure was.

我们还需要精确地定义气压,你必须知道气压的大小,当然如果我们能找到一个。

麻省理工公开课 - 热力学与动力学课程节选