Whatever the convention is within a system of differences, that's what makes the sign intelligible.

这些惯例存在于一个有差别的系统中，这就让符号变得有意义了。

youdao

So to make things simpler we are using this convention and you just put a minus sign if you are doing physics.

我们只是借用了这个物理概念来简化问题，你算物理题的时候加个负号上去就好了。

youdao

As a sign of culture, the dress has recorded every minute change of trend and convention that occurred by the social transition.

服饰作为文化的一种表征，完整记录了每一次社会转型中风尚习俗的细微变化。

youdao

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

Whatever the convention is within a system of differences, that's what makes the sign intelligible.

这些惯例存在于一个有差别的系统中，这就让符号变得有意义了。

耶鲁公开课 - 文学理论导论课程节选

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

One such difference was over the UK government's support for the EU - as a whole entity - to sign up to the European Convention on Human Rights.

BBC: EU votes show strong UK dissent - Votewatch study

Only a handful of countries have failed to sign the Chemical Weapons Convention (CWC) which internationally bans their use.

BBC: Syria rejects 'broadening' of UN chemical weapons probe