American officials say it will take at least two years for what one official called a meaningful measure of progress toward long-term stability.

VOA: special.2009.05.09

And so instead of defining efficiency the way you've got it written there, I'm going to define what's called something different for a refrigerator which is called the coefficient of performance.

现在我们不用,效率的那个定义，我给出一个,有关制冷机的,新的定义,叫做制冷系数。

麻省理工公开课 - 热力学与动力学课程节选

But let's look for a slight variant of it, where greedy is not so good. And that's what's called the zero-one knapsack problem.

但是让我们找一找它的一些变种，在这些变种中贪婪算法用处不大,这些问题也就是0/1背包问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

"The president has called for focusing in on what it really takes to be successful in work and in college, and he has called on America's educational institutions, primary and secondary educational institutions, to do whatever it takes to get our kids college ready.

VOA: special.2010.02.25

I have plans for you called plans for learning because that's what it's all about.

那个计划叫做学习计划,因为这就是这门课程的意义。

麻省理工公开课 - 固态化学导论课程节选

And,Israeli Prime Minister, Benjamin Netanyahu has warned the United Nations would deal, what he called, a fatal blow for Israeli-Palestinian peace if it endorses the report.

VOA: standard.2009.10.03

What FASB does for the United States is it creates what are called Generally Accepted Accounting Practices.

财务会计准则委员会为美国所做的贡献,就是制定了国际公认会计准则

耶鲁公开课 - 金融市场课程节选

Zambia says it is rejecting what it called the unconstitutional change of government and called for Madagascar's suspension in the African Union and Southern African Development Community,SADC.

VOA: standard.2009.03.18

So if you're working with cyanide in the lab as potassium cyanide or sodium cyanide, those are what are called p h s's, it's a rating for different kinds of chemicals.

因此如果你在实验室中,需要用到氰化物，比如氰化钾或者氰化钠，这就是所谓的，“P，H，S“,这是化学药品有害程度的一个级别。

麻省理工公开课 - 化学原理课程节选