Let me give you, I'm going to create, q a polar point, I'm going to call it q, and we'll give it some random values.

让我给大家讲解下，我要去创建，一个极坐标点，然后我会去命名它为，然后我给它赋一些随机的值，好，现在我想知道。

麻省理工公开课 - 计算机科学及编程导论课程节选

And let me use a big Q to be the total quantity produced-- sorry--the total quantity demanded in the market.

用Q代表总产量,对不起,是市场总需求量

耶鲁公开课 - 博弈论课程节选

Or I could have a non-adiabatic, I could take the same temperature change, by taking a flame, or a heat source and heating up my substance. So, clearly q is going to depend on the path.

也能改变温度，绝热指的是没有热传递，在非绝热条件下，也同样可以升温,比如用火或者热源加热，这样，q也应当与路径有关。

麻省理工公开课 - 热力学与动力学课程节选