Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.

系统对外界做功的符号为负,这就是我们,在本课中的规定，纯粹出于统一符号的需要，有些教科书中，可能会使用相反的符号规定,注意不要混淆了，这门课上,我们将一直使用。

麻省理工公开课 - 热力学与动力学课程节选

It underscores the degree to which this story is part of a literary genre, part of a literary convention, how much the Exodus story itself is very much a literary story.

它强调了这个故事作为文学类型的一种，一种文学的惯例，《出埃及记》本身有多大比例是一个文学故事呢？

耶鲁公开课 - 旧约导论课程节选

We could also, I think, well, maybe this isn't written out in terms of that convention, which sometimes it's not, so let's also try writing it, such that we have the hydrogen and the oxygen atom there.

我们也可以，我想，好吧，还有可能它不是按照惯例写的，有时候会出现这样的情况，因此，让我们把氢原子和,氧原子成键的情况也写出来。

麻省理工公开课 - 化学原理课程节选

So some of this seems to be, you're suggesting, a kind of a cultural convention and pressure.

所以其中部分因素，你暗示了，出自文化传统和压力。

耶鲁公开课 - 公正课程节选

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

We have the convention of music of writing this symbol indicating the beat-carrying unit of four so I'm writing a four underneath each of these.

我们有一个约定俗成的书写格式,来表示四拍一单元,所以我在每行这里的下面写上一个四

耶鲁公开课 - 聆听音乐课程节选

This is a convention that organic chemist's use when they're describing molecules like this.

这种称谓是一种惯例,是有机化学中描述像这样的,大分子时使用的

耶鲁公开课 - 生物医学工程探索课程节选

This system has worked well for twenty years now but it is being superseded by another Basel Convention -Basel II -which has been going on for some years now.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

So we need to have a convention here, whether we're viewing this from the perspective of people behind them or people in front of them, let's view it from the perspective of the people in front of them.

我们需要达成一个共识,不论我们看他们的角度是,从他们后面,还是从他们前面,我们统一用他们前面角度

耶鲁公开课 - 博弈论课程节选

This is convention, so on almost-- and most any computer you overuse, if you're writing code that uses a char, you're gonna be handed 8 bits or 1 byte to store that particular char.

这是约定，对于大多数-,电脑，当你写代码要用到一个char型数据时,必须先预留8比特或1字节,的空间来存储这个char型数据。

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

The agreement --But incidentally, this was an international convention.

这项协定... 顺便说一下,这是一项国际公约

耶鲁公开课 - 金融市场课程节选

So just to reinforce this, I could run gcc math2.c but I'm getting a little tired of this a.out convention and recall that there's this utility called "make" that right now doesn't really improve much, other than give it a better name.

所以我强调这点，我可以运行“gcc，math2，c“,但是我不是很喜欢a，out这个默认的名字,想取消它，那么这里有个叫做“make“的命令“,这个命令现在没有很大的改进，只是把用来更改名字用的。

哈佛公开课 - 计算机科学课程节选