It had been the first time people moved beyond their small planet into the huge solar system.

VOA: special.2009.07.29

It means that the properties of the system, the properties that describe the system, don't change in time or in space.

它的意思是指，用以描述系统的性质，不随时间或空间改变。

麻省理工公开课 - 热力学与动力学课程节选

No one, until this time, had suggested that a system would be subjected to quantization except for light.

在他之前，还没有人提出过,除光系统外的量子化系统。

麻省理工公开课 - 固态化学导论课程节选

"We have good partnerships among the countries within each agro-eco system so that through this twinning they can learn lessons from each other and work together effectively through time."

VOA: special.2010.02.08

It's not going to be zero this time because we have non zero heat exchange between the system and the environment, right.?

热力学量，但是现在让我们看一下,我们的特殊函数，这次它不会是零,因为系统与外界的热量交换并不是零，对吧？

麻省理工公开课 - 热力学与动力学课程节选

He told students it was time for them to learn what it means to be a human being on Earth at a time when every living system was failing.

VOA: special.2009.06.05

For the first time, the philosophy department has just switched over to the online discussion section registration system.

哲学部门，第一次被替换,成为在线讨论注册系统。

耶鲁公开课 - 死亡课程节选

During that time,she worked to improve the education system in Arkansas and served on the Children's Defense Fund and the Arkansas Advocates for Children and Families, an organization that she helped create.

VOA: special.2011.02.25

We're going to take these general topics and talk about how they work in the nervous system and the immune system next time.

在下节课我会讲这些内容以及,配体-受体系统在神经系统和,免疫系统中的作用原理

耶鲁公开课 - 生物医学工程探索课程节选

Over time,the parasites invade the central nervous system.

VOA: special.2010.01.04

But Hobbes lived at a time when the modern system of European states even as we understand them today, was just beginning to emerge.

霍布斯生活在一个时代,这个时代中，现代欧洲国家,就像我们今天理解的这样，已经快要出现了。

耶鲁公开课 - 政治哲学导论课程节选

What we're trying to do here is to change the system in the United States from one that is based on the time that is spent in the seat to one that is based on your actual accomplishments."

VOA: special.2010.02.25

As we'll see next time, Jews fell into the system in many different ways.

下节课我们会讲到，犹太人以各种不同的方式融入社会体系。

耶鲁公开课 - 新约课程节选

"It's a big deal. How big a deal you have to measure piece by piece but clearly it is the first major change in our health care system since nineteen sixty-five so that's a long time coming."

VOA: special.2010.03.27

There were eleven million workers in Germany at the time and other countries looked on this as, this is ridiculous, no government can actually manage the system like this.

当时的德国有1100万工人,其他国家视此情景为儿戏，没有哪个政府能像这样管理一个体系。

耶鲁公开课 - 金融市场课程节选

But corruption,unfortunately, has been a big part of the Mexican political system for a very long time."

VOA: standard.2009.12.18

Soil was being eroded and wasted along the Eastern seaboard, and they were using up the great soils of the Mississippi Valley and over time that slave system just somehow wasn't going to work out.

东部沿海地区的土地因被侵蚀而荒废掉,密西西比河谷地区的土地资源即将被耗尽,但就在这种情况下,奴隶制依然能维持南方的经济

耶鲁公开课 - 美国内战与重建课程节选

"Sometimes people need to take time to adjust to a new place, a new culture,a new system,"

VOA: standard.2010.07.22

By "Present," We mean-- we will pick some part of the universe we want to study and we will ask, "What information do I need to know for that system at the initial time, like, right now, in order to be able to predict the future?"

我们所说的"现在",意思是,我们会选取客观世界某一部分来进行研究,然后我们就会问,我们需要什么信息去了解,初始时刻的系统,比如现在,进而能使我们能够预测未来呢

耶鲁公开课 - 基础物理课程节选

"At the same time cuts costs, the waste,the fraud,the duplication, endemic to our system and at the same time it covers 31 million people.

VOA: standard.2009.12.25

Here he is in his paper and says at that time I decided that it was advantageous to find a more general system of the elements and here is my attempt.

他在论文中说，当时,我觉得发现更多,的元素的通用系统是很有用的,这就是我的计划。

麻省理工公开课 - 固态化学导论课程节选

The system effectively controlled participants' blood sugar for 27 hours, during which time they ate three high-carbohydrate meals and slept through the night at a hospital.

VOA: standard.2010.04.15

So these organisms like this are abundant in the world around us and our immune system prevents us from getting sick most of the time.

在我们周围充斥着像这样的生物体,而免疫系统在大多数时候能够抵御疾病

耶鲁公开课 - 生物医学工程探索课程节选

Critics say that new, independent research proves the system will damage the Australian economy and cost jobs if it is introduced at a time of global recession.

VOA: standard.2009.05.03

I want to talk about the immune system for the rest of the time here.

剩下的时间 我想谈一下免疫系统

耶鲁公开课 - 生物医学工程探索课程节选

"The one-time cost of our system which consists of a small solar panel, a little motorcycle-sized battery and a couple of LED lamps, is less than one hundred dollars,"

VOA: standard.2009.12.13

In an effort to get more to keep the economy from collapsing at a time when at a time of great concern about the structure of the financial system.

在一种得到更多的努力中,预防经济在一种时期中崩溃，这个时期是,人们都很担忧,金融系统的结构。

耶鲁公开课 - 金融市场课程节选

The laser tracking system would work by giving space craft and satellites, which are able to be maneuvered, time to move out of the way of an incoming chunk of debris.

VOA: standard.2010.07.24

I'm going to talk about - take sort of the general concepts that we talked about last time and talk about how they apply in two physiological systems, the nervous system first and then the immune system.

我将要谈到几个基本的概念,我上节课已经讲过一些了,再讲讲这些概念在两个生理系统中的应用,首先是神经系统然后是免疫系统

耶鲁公开课 - 生物医学工程探索课程节选

Or you get a cold, the cold virus takes hold, the viruses start replicating inside of you and it takes some time for immune system to gear up to eliminate it, so we're used to thinking about responses that take some time.

或者你得了感冒,感冒病毒扎根在你的身体中,病毒开始在你体内复制,免疫系统需要一定时间做好准备去消灭它,所以我们曾认为免疫反应需要一定时间

耶鲁公开课 - 生物医学工程探索课程节选