This character fights against the forces of nature to try to realize his dream of building a performance center in Iquitos,Peru.

VOA: special.2009.03.25

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

So this is just going to be T2 over T1 minus T2, that's our coefficient of performance.

这就是我们的，制冷系数。

麻省理工公开课 - 热力学与动力学课程节选

I did not intend to fight unless it became necessary in self-defense and in the performance of official duty.

VOA: special.2010.02.15

We are going to be in a conference room not far from here, and we are going to be reviewing every person's performance in this class.

我们将会在一间会议室里,离这不远，我们会开始,回顾每一位同学课堂上的表现。

麻省理工公开课 - 固态化学导论课程节选

President Obama had chosen Nancy Killefer as the government's chief performance officer to supervise the White House budget office.

VOA: special.2009.02.06

I want you to recognize classes of algorithms and match what you see in the performance of the algorithm to the complexity of that algorithm. All right?

让我再试一次这么说,我期望大家能通过,算法的复杂度,来看到算法的性能？

麻省理工公开课 - 计算机科学及编程导论课程节选

"And then it's interesting to see the performance context. What kind of performances do they have in India now, China now.

VOA: special.2009.09.23

Retention went up for them; performance went up; they were more likely to advance in their organization and stay in their organization.

他们的保持力增加，工作表现出色;,在公司更有可能被升职,并留在公司里。

哈佛公开课 - 幸福课课程节选

States that want to take part in the Race to the Top cannot have rules that bar performance-based pay for teachers.

VOA: special.2009.07.30

There's the performance version of 1634 and the printed version of 1637, and the additions to the text that Milton is making for the published version reflect, I think, his sense that he, like the Lady, is in the process of making an important transition.

634年的表演版本4,和1637年的印刷版本,弥尔顿在出版版本中添加的部分，我认为那表现出，就像是女士吧，是正在做转变的重要进程中。

耶鲁公开课 - 弥尔顿课程节选

The single "Say Goodbye to Love" was nominated for a Grammy Award for Best Urban/Alternative Performance in two thousand nine.

VOA: special.2010.09.03

So,I'm telling you from the beginning, but don't dream and think that somehow the Final's going to be so much different from your regular day-to-day performance, but to give you some reason to live after the Midterm.

所以我在开始告诉你们,但是,不要以为你们的最终成绩,和你们的平时表现,没什么关系,但这能让你们不至于期中的时候就绝望了

耶鲁公开课 - 基础物理课程节选

And it is hard to miss the jeweled white jumpsuit that Elvis wore for his famous "Aloha from Hawaii" performance.

VOA: special.2010.04.02

Those doctors would still not be able to improve school performance of the kids with learning disabilities and they would still not be able to prevent cognitive impairment and loss of memory in older adults because at this point we don't really understand enough about learning To know which neurons and synapses within a circuit would need to be tinkered with.

他恐怕还是改变不了有学习障碍的孩子们的表现,阻挡不了老年人的认知功能损害和记忆力的衰退,因为我们对这一学科的确知之甚少,不知道知道回路中的到底是哪些神经元和神经突触需要修复。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Marilyn may have worked more to improve her appearance than to improve her performance in acting classes.

VOA: special.2009.12.06

And so, I would argue to you that Salinger imagines literature as a performance of this kind, a performance of a language of family love that is nevertheless also an aesthetic language.

所以，我认为Salinger想象的文学,作为这种家庭里爱的语言的表现,那至少也是充满美感的语言。

耶鲁公开课 - 1945年后的美国小说课程节选

Guitarist Jason Mozersky worked part-time driving bands back and forth to a performance center in Texas.

VOA: special.2009.05.08

You see, rejecting our nature leads to suboptimal performance emotionally as well as in terms of external performance.

拒绝本性导致次优表现,不论在情绪上还是外在表现。

哈佛公开课 - 幸福课课程节选

On Wednesday he named Nancy Killefer to a new White House position - Chief Performance Officer.

VOA: special.2009.01.09

Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

麻省理工公开课 - 计算机科学及编程导论课程节选

He opposed admitting players to the Hall of Fame if they had used performance-enhancing drugs.

VOA: special.2011.01.09

These include linking the pay of bankers to their bank's long-term performance.

VOA: special.2009.10.02

For example,performance groups might buythe rights to play the work live.

VOA: special.2010.07.12

Her performance is said to have made her an instant star.

VOA: special.2009.11.30

The musicians had to dress well for every performance.

VOA: special.2009.03.01

President Obama supports linking teacher pay to student performance.

VOA: special.2009.07.30

As Anna waited to climb on stage for her class' performance, she said the day was about listening to children.

VOA: standard.2009.11.22

"We always try to ensure that we really are doing the best we can in our environmental performance.

VOA: standard.2010.01.31

I want that to be the performance that is seen two years later in the finished film.

VOA: standard.2009.12.19