[网络] 半整数角动量；半整数动量矩

美国习惯用语: Lesson 247 - half-baked / half-hearted

这次节目里我们要讲的两个习惯用语都有一个关键的字。那就是：Half. Half就是什么东西，什么份量或重量的一半。我们今天要讲的第一个习惯用语是：H

发表于:2018-12-01 / 阅读(399) / 评论(0)

美国习惯用语

数学英语 40 How to Divide Fractions

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(348) / 评论(0)

数学英语

数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(356) / 评论(0)

数学英语

数学英语 34 How to Multiply Fractions

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(298) / 评论(0)

数学英语

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(372) / 评论(0)

TED演讲科技篇

数学英语 17 What Are Fractions?

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(469) / 评论(0)

数学英语

CNN 2009-09-13

President Obama trying to build on the momentum after his addresses this week. And in his weekly address, he shows concern over a new report on insurance. We can expect that about half of all American under 65 will lose their health coverage at some

发表于:2019-01-07 / 阅读(400) / 评论(0)

CNN2009年(九)月

2007年VOA标准英语-Rice Seeks Momentum in Israeli-Palestinian Peac

By David Gollust Jerusalem 01 August 2007 U.S. Secretary of State Condoleezza Rice held talks with senior Israeli officials Wednesday to try to restore momentum to the Israeli-Palestinian peace process. She came to Jerusalem from Saudi Arabia, where

发表于:2019-01-13 / 阅读(442) / 评论(0)

2007年VOA标准英语（八月）

2007年VOA标准英语-United States, Germany Reach Women's World Cup

By Jim Stevenson Tianjin, China 23 September 2007 Top ranked United States and defending champion Germany have advanced to the semifinals of the Women's World Cup football (soccer) tournament in China. VOA's Jim Stevenson reports both teams had simil

发表于:2019-01-13 / 阅读(281) / 评论(0)

2007年VOA标准英语（九月）

VOA常速英语2008年-Obama Builds Momentum in US Presidential Race

By Jim Malone Washington 13 February 2008 Senator Barack Obama got a major boost Tuesday with victories in the Democratic presidential primaries in Maryland, Virginia and the District of Columbia. Obama remains in a tight race with Senator Hillary Cl

发表于:2019-01-19 / 阅读(303) / 评论(0)

VOA常速英语2008年（二月）

英语听力：探索发现 2014-05-30 BBC 地平线：陨石的真相-9

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(334) / 评论(0)

探索与发现2014年

U.S wins world basketball championship

ISTANBUL, Sept. 12 (Xinhua) -- The United States defeated Turkey（土耳其） 81-64 in Sunday's final of the 2010 World Basketball Championships here. The U.S. took the lead early in the first quarter and held through for the entir match. Kevin Dur

发表于:2019-01-31 / 阅读(327) / 评论(0)

英语新闻

3 Must-Do Strategies for Building Momentum in Life

3 Must-Do Strategies for Building Momentum in Life The rhythm of daily action aligned with your goals creates the momentum that separates dreamers from super-achievers. I love momentum. Seriously, momentum is a beautiful thing. Momentum enables you t

发表于:2019-02-02 / 阅读(351) / 评论(0)

阅读空间

Pan Am Games complete first half schedule

GUADALAJARA, Mexico, Oct. 22 (Xinhua) -- The 16th Pan American Games finished the competition of its eighth day to complete the first half of the schedule with several sports wrapped up, given out in total 24 golds on Saturday. The United States cont

发表于:2019-02-03 / 阅读(366) / 评论(0)

英语新闻

每日一词【371】momentum：势头

今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增，to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid

发表于:2019-02-04 / 阅读(258) / 评论(0)

英语每日一词

英语歌曲:清新民谣-Half Acre

清新民谣：Half Acre 还是HEM，这个有着淡然嗓音女主音的indie民谣乐队。这首Half Acre出自他们第一张大受好评的专辑Rabbit Songs，曾被一家保险公司选作广告歌。一如既往的清爽民谣风，听在耳朵

发表于:2019-02-06 / 阅读(344) / 评论(0)

流行英文歌曲

如何制定一周工作计划

What's the best way to get something done at work? Do it on a Tuesday. More than half of executives polled by Robert Half International said employees hit their peak performance on Tuesdays. 想把某项工作做到最好?那就在周二做吧。根据

发表于:2019-02-06 / 阅读(255) / 评论(0)

英语新闻

2018年CRI China's economy expands steadily in H1: official

Statistics show China's economy extended a steady expansion in the first half of the year, well above the government's annual growth target. China's gross domestic product (GDP) expanded 6.8% during the first half of 2018 to 41.8961 trillion yuan, or

发表于:2019-02-14 / 阅读(303) / 评论(0)

2018CRI中国国际广播电台

10 Quotes To Change Your Momentum

10 Quotes To Change Your Momentum Weve all been there. Were out of ideas and nothing new is coming to our tired and weary minds. When these moments strike, Ive always been a fan of reading quotes to get me out of that funk, whether its writing a term

发表于:2019-02-18 / 阅读(474) / 评论(0)

阅读空间

制作周工作计划的职场英语

发表于:2019-02-18 / 阅读(279) / 评论(0)

实用英语

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