So, for example, if we're to hold the time constant, this makes it a lot simpler of an equation, because what we can end up doing is actually crossing out this whole term here.

比如说，如果我们把时间,定为常数，这使得方程,大大简化，因为我们可以把,这一项划掉。

麻省理工公开课 - 化学原理课程节选

OK, so here is just an engine like what we've already seen, and I'm going to specify that this is a Carnot engine which is to say all the results that we just derived hold for this case.

这一个热机,跟我们以前见过的差不多，我们把它确定为,卡诺热机,所以我们之前得到的结果都对它适用。

麻省理工公开课 - 热力学与动力学课程节选

In terms of cost to institute this, the upfront cost to build classrooms, to accommodate this kind of structure, we need two classrooms that hold 170 students a piece to do this.

关于建这个项目的成本，最主要的就是搭建教室，使之适应这种教学模式，我们需要两间能装170人,的教室来上这种课。

麻省理工公开课 - 媒体、教育、市场课程节选

So what we're going to do is we're going to hold essentially this game.

我们要做的是,我们将抓住这个博弈的本质

耶鲁公开课 - 博弈论课程节选

And we will then get over to here, where he's sitting on the tonic chord, and we want to see how long he's going to hold this tonic chord. Okay?

接着再到这里来，他停在了主音和弦上，然后我们想看看他会在主音和弦上保持多久，好吧？

耶鲁公开课 - 聆听音乐课程节选