And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选

Be disciplined in order to continue to take the small steps that you're taking in order to really work towards that.

做好计划使你能够不断地朝这个方向慢慢进步。

学第二外语的时候 - SpeakingMax英语口语达人

But then Plato says, "Okay, but keep in mind all of what you need in order to have reminding, to have recollecting take place."

但是柏拉图又说,但是请记住,就是如果你需要能回忆与联想,起某个的东西

耶鲁公开课 - 死亡课程节选

In order to understand probability, you have to take things as coming from a random event and people don't clearly have that in their mind from an intuitive standpoint.

为了理解概率,你要把事件想象成是随机发生的,但人们没有那样,清晰直观的认识

耶鲁公开课 - 金融市场课程节选

We use a liquid helium. And so in order to make a liquid helium, you can't take helium at room temperature and do this, because if you did, you would just heat it up, because the room temperature is above the inversion temperature, so Joule-Thomson would heat up the helium.

为了得到液氦,不能再常温,做这个实验,否则就是加热氦气，因为室温高于它的转变温度,所以焦耳-汤姆孙，实验会加热氦气。

麻省理工公开课 - 热力学与动力学课程节选

You've learnt what the words mean, but you have abstract and unconscious rules that take these words, figure out the order, and in a fraction of a second, give rise to understanding.

虽然你已经知道了这些单词的意思,但却是你所拥有的抽象且无意识的规则,让你认清单词,确认语序,然后在一瞬间让你理解整个句子

耶鲁公开课 - 心理学导论课程节选

But as soon as the most recently called function finishes executing, you have to take that tray off the stack in order to get at the previous function's memory, and once he's done executing, you have to take that one off and then what's left well then main.

但是，一旦新的调用函数结束了执行,你必须从堆中把托盘拿掉,用来获得先前函数的内存，一旦他完成执行，你必须把那一块拿下来,然后剩下的是main函数。

哈佛公开课 - 计算机科学课程节选