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

printf That's not actually where someone implemented print F and related functions, rather, in dot H files, by convention, are prototypes.

那实际不是有某人在哪里执行,相关函数，而是在，h文件中，按照惯例，它们是函数原型。

哈佛公开课 - 计算机科学课程节选

self First argument by convention is always self, because it has to point to the instance, and then I pass, in this case, another couple of arguments in.

第一个参数往往是，因为它必须指向实例，然后我传入了，在这个例子中。

麻省理工公开课 - 计算机科学及编程导论课程节选

And, according to the right-hand rule, they would be spinning, by our convention, anticlockwise.

并且由右手定律我们知道，按惯例，它们是在逆时针自旋。

麻省理工公开课 - 固态化学导论课程节选

This system has worked well for twenty years now but it is being superseded by another Basel Convention -Basel II -which has been going on for some years now.

至今这个体系已经良好运作了20年,但是它即将被另一个巴塞尔公约所取代,新巴塞尔协议,其实它已经实施了好几年

耶鲁公开课 - 金融市场课程节选

Some of the most open exercises of states' rights, of course, before the 1850s, were conducted by Northerners, like in the Hartford Convention of 1814, like in personal liberty laws that we'll come to a bit later.

州政府最早开始尝试行使权力,还是在十九世纪五十年代之前,由北方人主导的,就像1814年的哈特福德公约,就像我们马上要说到的个人自由法

耶鲁公开课 - 美国内战与重建课程节选

It's instead outside of them and, by convention, at the top of the file so that I can access it anywhere, whether or not this is a good thing, remains to be seen.

它在函数的外面，按照惯例，在文件的顶端，所以我可以在任何地方使用它,不管这是不是好事情，拭目以待。

哈佛公开课 - 计算机科学课程节选

ArgV You can think of this variable Arg V as literally an array a sequence of chunks of memory that literally are back to back to back in memory, and when you say bracket zero, by convention, you are referring to the variables stored here.

你可以想象这个变量,按顺序排列的一块块内存,依次地在内存中紧邻着的，当你指明，按照惯例，涉及,存储的变量在这里。

哈佛公开课 - 计算机科学课程节选

So this has created a file that just by convention happens to be called a.out.

至于为什么叫a，out？,约定而已。

哈佛公开课 - 计算机科学课程节选

By convention, it's Arg C, because it means argument count.

按照惯例，它叫ArgC，因为它的意思是参数计数。

哈佛公开课 - 计算机科学课程节选

Only the operating system has controlling of byte zero NULL in the computer's RAM and so if a function ever returns null, aka zero, well, something must have gone wrong because that can't possibly belong to me that memory because by human convention zero is owned by the operating system; not by a program I wrote.

只用操作系统在内存中能够控制,字节0，并且如果一个函数返回，或者说0，好的，可能出错了,因为那可能是不属于我的内存,因为惯例上，0是由操作系统拥有的,而不是由我的程序拥有的。

哈佛公开课 - 计算机科学课程节选