But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

I suspect that with the subprime crisis the Fed will be pushing real interest rates down dramatically again and we may be in a period of negative real interest rates again.

我推测,由于次贷危机,美联储会又一次大幅下调实际利率,我们可能会再次进入,负实际利率的时代

耶鲁公开课 - 金融市场课程节选

It began to infiltrate other disciplines and was in general a high-spirited horse for that certain period of time.

它逐渐渗入到其它学科,总之是那个时代的一匹黑马。

耶鲁公开课 - 文学理论导论课程节选

The Harlem Renaissance was a period in which black artists explored their culture and showed pride in their race.

VOA: special.2009.02.22

But Milton was also beginning to develop in this period a much more strict, a much more disciplined religious temperament.

但弥尔顿这时也开始发展一种更严格，更符合一定规则的宗教性文字。

耶鲁公开课 - 弥尔顿课程节选

The objects in the exhibit tell a story about government expansion during a difficult period in American history.

VOA: special.2009.01.02

At this time, somewhere in this period, there was a transfer of power in the Canaanite pantheon from the older gods to younger gods.

在那段时间的某个地方,迦南众神的权利由年老的神向年轻的神过渡。

耶鲁公开课 - 旧约导论课程节选

Researchers in the United States say drinking a lot of alcohol over a short period may influence genes involved in bone formation.

VOA: special.2010.08.31

There was a period of time in which, although there were decent, chess-playing programs couldn't beat the best chess-playing humans.

尽管曾一度出现过,强劲的象棋程序,无法战胜顶级人类棋手的情形

耶鲁公开课 - 死亡课程节选

He was eighty years old. His death officially marked the end of a historic period in modern jazz.

VOA: special.2009.03.01

Clearly, important information is to be conveyed to students from people who settle in the fields for a long period of time.

显然，对某个领域,进行长时间研究的学者,会将重要的信息,传达给学生。

麻省理工公开课 - 媒体、教育、市场课程节选

"I think Dubai went a little bit too fast and they borrowed too much money in a very short period of time."

VOA: special.2009.12.04

Protein was a lot different in this period of time and many health authorities think a higher protein diet would benefit humans.

蛋白质的含量也不同,现代很多健康专家认为,高蛋白质的摄入是对人们有益的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

She says one possibility is a decrease in the number of school nurses during the period they studied.

VOA: special.2009.08.06

It refers to that period that Plato says in the letter looked like "a golden age, " when many things seemed possible."

也就是柏拉图在书信中所指,“事物充满无限可能的，黄金时期“

耶鲁公开课 - 政治哲学导论课程节选

The researchers compared cotinine levels to behavioral problems that parents observed in the children during a 2-week period.

VOA: special.2009.01.13

So as a result, they said there were droughts in these areas throughout that period and that caused tremendous unhappiness and discontent.

最后结果就是,他们说那个时期,在那个区域发生了干旱,从而致使,民生凋敝,民怨沸腾

耶鲁公开课 - 古希腊历史简介课程节选

This process involves several tests before a person can receive a visa to stay in the United States for the training period.

VOA: special.2009.06.02

This is the present value of $1 in one time period, which I'm taking to be a year.

这就是一美元在一段时期内的现值,我只是将一美元持有一年

耶鲁公开课 - 金融市场课程节选

The study examined employment records for eight cities in Minnesota for a three-year period through two thousand six.

VOA: special.2009.05.27

A thousand times in a thousand ways anybody who studies the American Civil War period is inevitably asked, "So what caused this war?"

每个研究美国内战史的人,总会不可避免地被人们反复问道,"究竟是什么导致了这场战争"

耶鲁公开课 - 美国内战与重建课程节选

They used information gathered over a period of 20 years, until 2003, in the Framingham Heart Study.

VOA: special.2009.01.21

The popular, old-fashioned Frost and the elite, modern Frost--these roles point to a division in the audiences for poetry that emerges clearly in this period.

这个大受欢迎，旧式的弗罗斯特和那个高雅的，现代的弗罗斯特，这些角色指出了观众的分化,因为诗歌在这个阶段表现的是那个。

耶鲁公开课 - 现代诗歌课程节选

Ron Pinhasi of University College in Cork,Ireland, says it could have fit a man from that period.

VOA: special.2010.08.03

Internet industry was in a very difficult time at that time, at that period, and we gradually realized that this company cannot really survive if we stick with the backend technology providers thing.

当时互联网行业正处于困境，如果坚持做后台搜索技术提供商,这个公司将无法生存。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Others who want to graduate in three years must pay for the same education as four-year students, but in a shorter period of time.

VOA: special.2009.07.23

It was implanted into the first patient, a gentleman in Kentucky, and he stayed alive for a period of time with this device replacing his heart.

第一个植入这个人工心脏病人是,住在肯塔基州的一位先生,他在移植手术后,存活了一段时间

耶鲁公开课 - 生物医学工程探索课程节选

"The Lost Symbol" takes place in Washington,D.C., over a period of just twelve hours.

VOA: special.2009.10.09

Now,every time there's a big time political disaster, from the point of view of the Catholic Church in France, it's followed by a period of religious revival.

于是,每当天主教会看到法国政治格局,有重大的变盘,紧接着就会兴起宗教复兴

耶鲁公开课 - 1871年后的法国课程节选

And so, sometimes people approach it in that way, and I think in a way it holds that aura around itself in our culture and in the history of the novel in this period that we're studying together.

有时候人确实这样，我觉得这在一定程度上倒是保留了文化的气氛,以及我们学习的,关于小说这段时期的历史。

耶鲁公开课 - 1945年后的美国小说课程节选