• It is an electron beam. In the 1890s, the latter part of the 19th century a very fashionable word was "ray."

    那是个电子束,在十九世纪九十年代,就是19世纪末,一个很时髦的词汇-“光线“

    麻省理工公开课 - 固态化学导论课程节选

  • The most famous part of Fifth Avenue is probably in the 80th and 90th

    第五大道最有名的部分可能是在第八十和第九十街,

    第五大道的另一面 - SpeakingMax英语口语达人

  • I've been here in MIT for thirty years, and in the early nineties I taught the large freshmen physics course, and electromagnetism.

    我麻省理工工作三十年了,在上世纪九十年代初,我就开始给大一新生上物理课,以及电磁学。

    麻省理工公开课 - 媒体、教育、市场课程节选

  • It happened in the late 1990s, in the United States, that patent offices started to accept financial patents.

    美国是在上世纪九十年代末期的时候,专利局才开始授予金融专利。

    耶鲁公开课 - 金融市场课程节选

  • So, what we're going to define is just let's just capture 90% of that electron density.

    所以,我们所定义的,只包括百分之九十的电子密度。

    麻省理工公开课 - 化学原理课程节选

  • In 1665, 93% of the people that died in that year died of infectious diseases.

    在一六六五年死亡的总人数中,百分之九十三都是死于感染性疾病

    耶鲁公开课 - 生物医学工程探索课程节选

  • When you get up into the 80th and 90th, it's residential and cultural.

    走进第八十街和第九十街,你会看到有着浓厚文化底蕴的住宅区。

    第五大道的另一面 - SpeakingMax英语口语达人

  • She was, I don't know, ninety and she married some sixty-year-old Confederate veteran at some point in time.

    她大概有,大概有,九十岁,她在某个时期嫁给了一个,六十岁的南部邦联老兵

    耶鲁公开课 - 美国内战与重建课程节选

  • Ninety-percent of all the books that were published before Peter were devotional texts in the church.

    彼得之前的百分之九十的书籍,都是教堂里的祈祷文

    耶鲁公开课 - 欧洲文明课程节选

  • I had an opportunity in the late 80s and early 90s, working with a small foundation in New York, to begin cultural activities in Vietnam before normalization of relations between the US and Vietnam.

    我在八十年代末九十年代初曾经有幸,在纽约的一个小型基金会工作,和越南开展一些文化活动,那时美国和越南还未实现外交关系正常化。

    普林斯顿公开课 - 人性课程节选

  • There was... a few years there, I think, in the early nineties,

    我想在几年前,也就是九十年代初,

    对纽约的印象 - SpeakingMax英语口语达人

  • Almost ninety percent of the university is all white, all male.

    几乎百分之九十的大学生都是白人,都是男的。

    在学校的时光 - SpeakingMax英语口语达人

  • First is that, during the '90s, I think the Chinese IT market was very, very small.

    第一,在九十年代,中国的互联网市场规模很小。

    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

  • It's quite spectacular because here in the 1890s we have the apex of the Western classical orchestra, this big, beautiful, powerful instrument.

    它之所以雄壮因为在十九世纪九十年代,西方古典管风琴正处于顶峰,这是一种巨大,美丽,有力量的乐器

    耶鲁公开课 - 聆听音乐课程节选

  • You better believe it's sixty to seventy percent, and the further back you go in American history the closer it is to ninety and ninety-five percent.

    你最好猜百分之六七十,要是你以后有机会学习美国历史的话,你会发现它在百分之九十九十五之间

    耶鲁公开课 - 古希腊历史简介课程节选

  • And we need not, we just make sure we can't do that So, go ahead, we've got you on number The 1980's and 1990's, this deal seemed to work.

    这一点我们必须明确,那么。。。说吧,该给的数据我都说了,其实,八,九十年代那会儿,那个协议还是起过作用。

    斯坦福公开课 - 经济学课程节选

  • It's an idea that Chris Miller in the French Department and I came up with in the late '90s, and my old dear friend Dick Broadhead provided the funding.

    这是法语系的克里斯·米勒和我,在九十年代末想出来的主意,我的老哥们迪克·布罗德海德给我们赞助

    耶鲁公开课 - 1871年后的法国课程节选

  • And I think it was... The one-way ticket was 90 euros.

    我觉得它…它的单程票是九十欧元。

    介绍欧洲之星 - SpeakingMax英语口语达人

  • they start from 80 or 90, the cheapest ones.

    最便宜是八十或者九十英镑。

    伦敦生活的优缺点 - SpeakingMax英语口语达人

  • He's just had his 90th birthday.

    事实上,他刚过了九十岁生日。

    记忆犹新的作品 - SpeakingMax英语口语达人

  • And where we where at the start of the 20th Century in the late 1890's is that we were at a place where there was great confidence in our understanding of the universe, and our understanding of how all matter worked.

    0世纪开始讲起,在19世纪的九十年代,人们对于自己,对自然的理解,对自然所有物质,如何工作的理解十分自信。

    麻省理工公开课 - 化学原理课程节选

  • Also, the filing cabinet-- that sounds like a minor thing-- was invented in the 1890s.

    还有档案橱柜-,听起来很微不足道-,是在19世纪九十年代发明的。

    耶鲁公开课 - 金融市场课程节选

  • But what you've got at the top are the early 1790s and I think 1820 in terms of slave population in the American south.

    一般,你们会认为南方的奴隶数量,达到高峰是在十八世纪九十年代,而我却认为1820年更准确

    耶鲁公开课 - 美国内战与重建课程节选

  • We had a bubble in the stock market in the '90s and it collapsed after 2000 and with that it brought the economy down.

    我们在九十年代股票市场中有泡沫,并且它在2000年崩塌了0,这使得经济一度低迷。

    耶鲁公开课 - 金融市场课程节选

  • Particularly the course I taught in the early nineties have 600 students there.

    尤其是我在九十年代讲的物理课,有600多个学生。

    麻省理工公开课 - 媒体、教育、市场课程节选

  • And one common way to think about it, is to think about the value of r, or the radius, below which 90% of that electron density is going to be contained.

    而通常的想法,是想象,r,的值,也就是半径的值,即有百分之九十的电子密度,都落在这个范围之内。

    麻省理工公开课 - 化学原理课程节选

  • I wish the Fed had behaved better they didn't seem to recognize the bubbles that we had in the stock market in the '90s and the housing in the 2000s.

    从某种意义上说,我希望,政府没有发现出来,九十年代的股票市场泡沫,和新世纪房地产的泡沫。

    耶鲁公开课 - 金融市场课程节选

  • We've seen the price of oil, lately, move all over the map. It went up to $100 recently and it was just as late as late 1990s that it was under $20 and people just don't know where it's going to go.

    我们都能看到现在石油的价格,一路飙升,最近达到每桶一百美元,而在上世纪九十年代末,每桶石油还不到二十美元0,人们根本无法预想石油价格,还会飙升到什么地步。

    耶鲁公开课 - 金融市场课程节选

  • Yeah, 90 euros. So quite all right.

    是的,九十欧元。所以还不错。

    介绍欧洲之星 - SpeakingMax英语口语达人

  • So we're not saying it's all the electron density, it's just 90%.

    因此我们并没有说所有的电子密度,而是百分之九十

    麻省理工公开课 - 化学原理课程节选

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