"I think he ought to do what General Petraeus did and that is decide on exactly the number he needs and we debate it and the president makes the ultimate decision,".

VOA: standard.2009.08.23

- Well, just a moment ago, we did have -- -- and this time I'll use some chalk here -- a moment ago, we did have a picture depicting what was going on when you call the function.

好的，刚才，我们确实有-,这一次我将用一些粉笔-,刚才，我们有一张图描绘了当我们调用函数的时候,会发生什么事情。

哈佛公开课 - 计算机科学课程节选

So in molecular orbital theory, what we did was we named orbitals based on their symmetry.

在分子轨道理论中，我们基于轨道的对称性给它们命名。

麻省理工公开课 - 化学原理课程节选

What I suggest we do is we do what we did last time and we start to draw a picture to figure out what my expected payoff is, depending on what I believe the goalie is going to do.

我建议用上次的方法,作图来表示在我对门将的策略,存在某种信念下,我的预期收益

耶鲁公开课 - 博弈论课程节选

And what we did was he put two detection plates on either side of these cathode rays, and when he put a voltage difference between these two plates, he wanted to see if he could actually bend the rays and test if they're actually charged or not.

但没有实验证明这件事,这就是Thomson所做的，它在阴极射线旁边放两块探测板,他想通过看当他,在两板之间加上电压后,阴极射线是不是会。

麻省理工公开课 - 化学原理课程节选