We need to make sure that all Americans, not just the folks who happen to work on Wall Street, feel that we are digging ourselves out of the hole,"

VOA: standard.2009.12.05

No, we call that work positive work. All right, so that means we need to put a negative sign right here, by convention.

历史上有过不同的习惯，这里我们规定,如果环境对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

So all we need to find out is the work now.

所以我们现在需要知道的。

麻省理工公开课 - 热力学与动力学课程节选

First of all, two parameters. It's OK. All it says is, when I call this, I need to pass in two parameters for this to work. All right? Now, if I want to use that, I'm going to use a second piece of code here, called Barnyard. I'm going Barnyard to read in a couple of values, convert them into integers, and then I'm going to use solve to get a solution out.

注意我得到了什么,第一，两个参数,它的意思就是我调用这个函数，我得给它输入两个参数，明白了吗？,现在如果我要使用它我得用,这里的第二段代码，也叫,我将读入一组值，将它们转化为整型,然后我会用solve得到一个解决方案。

麻省理工公开课 - 计算机科学及编程导论课程节选