总角动量矩数

大学生活英语-Finding an Error in Your Test Score(1)

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(309) / 评论(0)

英语情景对话-大学生活

酒店英语口语就该这么说第67期:请求告知信息房费总额

请求告知信息请告诉我您的姓名和房间号。 A: Morning. Im ready to check out. 早上好。我要结账退房。 B: Sure. May I have your name and room number? 好的。请告诉我您的姓名和房间号。同类问句： Certainly,

发表于:2018-12-18 / 阅读(195) / 评论(0)

酒店英语口语就该这么说

TED演讲：用"云"建立一所学校(11)

It's been tried all over the world, and teachers sort of stand back and say, It just happens by itself? 在世界各地尝试过，老师们后退着说：它就这么自己发生了？ And I said, Yeah, it happens by itself.How did you know that? 我说

发表于:2018-12-19 / 阅读(189) / 评论(0)

TED演讲教育篇

【大学生活】考试成绩出错了-Finding an Error in Your Test Score

发表于:2018-12-26 / 阅读(238) / 评论(0)

大学生活-College Life

奥运28大项第25课 Diving跳水 03

北京奥运28大项参与，竞争，分享，进步 Diving 跳水英文原文 If a diver is unable to compete in any session the diver ranked next shall advance to the next session in order to have the prescribed number of divers in each session. When two or more dive

发表于:2018-12-30 / 阅读(211) / 评论(0)

奥运28大项比赛

TED演讲:书呆子教你如何在线学习(9)

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁， talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒，由于是在YouTube上，所以他用

发表于:2018-12-30 / 阅读(250) / 评论(0)

TED演讲科技篇

数学英语 06 How to Calculate Mean Values

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(284) / 评论(0)

数学英语

数学英语 15 What Are Averages?

by Jason Marshall In the last few articles, weve talked about decimals and how theyre related to fractions through the process of division. Now, its time to turn our attention to some practical applications of these tools. Up first today were talking

发表于:2019-01-02 / 阅读(304) / 评论(0)

数学英语

英语作文常用句型（二）用于描写图表和数据

1． It has increased by three times as compared with that of 1998． 2． There is an increase of 20% in total this year． 3． It has been increased by a factor of 4since 1995． 4． It would be expected to increase 5 times． 5． The table show

发表于:2019-01-17 / 阅读(171) / 评论(0)

英语作文

科学美国人60秒 SSS Photonic Chip Could Strengthen Smartphone Encryption

Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

发表于:2019-01-20 / 阅读(199) / 评论(0)

2016年Scientific American(九)月

地道美语听力播客:Room Service

I was staying at a nice resort hotel in Arizona on a short vacation. I had been out on the golf course playing a round of golf. When I got back into the room, I was feeling pretty hungry. I was meeting some friends for a late dinner around 8:30. I wa

发表于:2019-01-28 / 阅读(161) / 评论(0)

地道美语播客

CCTV9英语新闻：中国劳动年龄人口连续三年减少

The National Bureau of Statistics has announced the latest figures of the country's total population and on China's labor force. China now has about 1.37 billion people, more than any other country in the world. And the number of working age people -

发表于:2019-02-03 / 阅读(162) / 评论(0)

cctv9英语新闻2015年

报告显示去年126万中国学生出国留学占全球1/4

China had a total of 1.26 million students overseas as of 2015, accounting for 25% of the world's total number of students studying outside their native country, meaning one in four such students is from China, according to the 2016 Report on the Dev

发表于:2019-02-06 / 阅读(155) / 评论(0)

英语新闻

数据显示:80后成国内搭乘两舱主力军

China's post-80s and 90s have surpassed the 70s to become the major force of first-class and business-class passengers, and the number is still growing, according to the first season report issued by Ctrip on last Wednesday. 携程上周三发布的一

发表于:2019-02-07 / 阅读(149) / 评论(0)

英语新闻

内地访港旅游人数连跌7月购物天堂变"港囧"

Hong Kong, a traditional shopping paradise, saw a drop in both the number of visitors and retail sales, China Economic Weekly has reported. 根据中国经济周刊报道，传统购物天堂香港遭遇了访客人数和零售销售额双跌的窘境。

发表于:2019-02-07 / 阅读(127) / 评论(0)

英语新闻

大学英语六级考试作文精彩句型(02)

二、用于描写图表和数据 1. It has increased by three times as compared with that of 1998. 2. there is an increase of 20% in total this year. 3. It has been increased by a factor of 4since 1995. 4. It would be expected to increase 5 times. 5

发表于:2019-02-17 / 阅读(178) / 评论(0)

四六级写作指导

CCTV9英语新闻：China to have a bright new railway services timetables

China will have a bright new railway services timetables from Sunday. It is the largest expansion in decades involving extensive regions and a range of trains. Beijing Railway Bureau said the capital will run 30 more services, leading to a record hig

发表于:2019-02-18 / 阅读(180) / 评论(0)

cctv9英语新闻2016年

英语听力精选进阶版 6322

What is a fair wage? Why aren't more people in the world offered pay equality? These are some of the questions the United Nations International Labour Organisation (ILO) has recently investigated. With a global population of over seven billion, is it

发表于:2019-02-21 / 阅读(167) / 评论(0)

英语听力精选进阶版

情景会话口袋书人际篇第433期:退房(1)

1. Are you checking out now? 你现在退房吗？还能这样说： Do you want to check out now? Are you going to check out now? 应用解析： blank check 空白支票，自由行动的权力； draw a check 开一张支票； put a check on sth

发表于:2019-02-22 / 阅读(151) / 评论(0)

情景会话口袋书人际篇

CCTV9英语新闻：Beijing encourages use of clean energy buses

Motor vehicles are the biggest source of pollutants in Beijing. So the city is encouraging the use of clean energy vehicles, including electric buses. The Division of Electric Buses of Beijings Public Transport Group runs almost all the no-track elec

发表于:2019-02-25 / 阅读(194) / 评论(0)

cctv9英语新闻2016年

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