OK, so w, first of all, work is being done to the system on the left hand side here.

好的，首先,我们通过左边对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

And then we can go ahead and let's quickly write out w hat the formal charges for all of these will be.

然后我们可以开始很快地,把所有的形式电荷都写出来。

麻省理工公开课 - 化学原理课程节选

w And that has to equal q plus w, summed up for all the steps.

等于q加，对所有过程相加。

麻省理工公开课 - 热力学与动力学课程节选

W -W -W And now pedagogically, all these things, -W, -W, -W, these are essentially telling GCC to be really nit-picky.

现在教学上用的这些东西，这些本质上说明GCC是很挑剔的。

哈佛公开课 - 计算机科学课程节选

u=q+w All right, what is delta u? delta u is q plus w.

好，Δu是多少？Δ

麻省理工公开课 - 热力学与动力学课程节选

Q So it's just capital W over capital Q, q1 which is to say it's minus all that stuff over q1.

所以效率就是W除以，等于负的所有这些之和除以。

麻省理工公开课 - 热力学与动力学课程节选