And when you have an optimal substructure and the local solutions overlap, that's when you can bring dynamic programming to bear.

当你得到一个最优子结构,但局部解决方案有重跌时，你就可以引入动态编程,来解决这个问题了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's draw it in degrees Kelvin, instead of in degrees Celsius.

来重画一下这幅图，现在温度的单位是开尔文。

麻省理工公开课 - 热力学与动力学课程节选

Every time they're changing your hand is going down so chord changes may be the most powerful of all of these aspects of where the down beat is.

他们变化的时候你的手势都是向下的,所以在所有的途径当中通过和弦的变化,来判断重拍在哪儿可能是最有效的方法

耶鲁公开课 - 聆听音乐课程节选

The style of warfare that emerges in this period, apparently for the first time, is what we call the hoplite phalanx and each half of that needs to be explained.

显然,这个时期第一次出现了,一种独特的战争形式,那就是重步兵方阵,我来给大家分别解释下这两个词

耶鲁公开课 - 古希腊历史简介课程节选