But, of course, we want to go all the way to distance, so we take the second derivative and we have this equation for force here.

当然我们最后想要的是距离,所以我们取二阶微,分就有这个式子。

麻省理工公开课 - 化学原理课程节选

In binary search-- ah, there's that wonderful phrase, this is called a version of binary search just like you saw bin-- or bi-section methods, - when we were doing numerical things- in binary search, I need to keep track of the starting point and the ending point of the list I'm looking at.

就是当我们处理数字的时候，所称的二分检索，在二分法搜索中,我需要记录区间的开始点和尾点，初始化的时候就是-,问题输入的开始点和尾点，当我开始做测试的时候,我想要做的就是去取中值点。

麻省理工公开课 - 计算机科学及编程导论课程节选

This process, I said, this ancient process of taking scabs from patients and introducing them to people you wanted to protect, was called variolation.

这个过程,我想,这个从病人身上取痂,接种到你想保护的人身上的古老过程,叫做天花接种

耶鲁公开课 - 生物医学工程探索课程节选

And there were cases where Bretons tried to name their children Breton names and the French State said, uh-uh,pas possible, because it wasn't officially French.

还有一些布里多尼人,想要给他们的孩子取布里多尼的名字,但是法国政府说,想都别想,这并非官方法语

耶鲁公开课 - 1871年后的法国课程节选

By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.

顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米

耶鲁公开课 - 基础物理课程节选