单词：fatigue stress-number of cycle curve
单词：fatigue stress-number of cycle curve 相关文章
1. The White House says President Barack Obama has called House Speaker John Boehner and Senate Majority leader Harry Reid, to urge them to end the payroll tax cut standoff. Obama says he wants the House back in session to pass a two-month extension
美联社新闻一分钟2011(十二月)
Psychology, Stress Influence Pilots' Mental Health 工作压力影响飞行员的心理健康 Some are asking whether personality tests could have prevented co-pilot Andreas Lubitz from crashing a Germanwings passenger airplane in the French Alps on
2015年VOA慢速英语(四)月
Estranged Family Gets Sports Fix in 'Trouble With The Curve' In Trouble With The Curve, Gus Lobel knows more about scouting new talent for baseball teams than anyone else in the business; but his failing eyesight and old-fashioned attitudes may end h
VOA标准英语2013年(一月)
MARY LOUISE KELLY, HOST: The government's latest report on GDP, the gross domestic product, shows the economy expanding at a lackluster 2 percent in the first quarter, but estimates for the second quarter are much higher. And that has the Trump admin
2018年NPR美国国家公共电台7月
After suffering a life-threatening illness, singer-songwriter Mary Chapin Carpenter had time to reassess her priorities. She came to believe in more fully appreciating the blessings each day brings From NPR News, this is weekend edition. I am Liane
2007年NPR美国国家公共电台
P: Hey Yang Chen why are you playing Hail to the chief? I thought we were a sports show - are we going political? Y: Not really. You see, Patrick, the presidential election is in its final stretch - the home stretch - the final lap - just like in长跑
体育美语
Listen Read Learn Every year, some place in the world, an accident involving an airplane occurs. These accidents are painful because of great numbers of passengers that they carry. Although these are few in number, a great, many people die when even
英语大赢家下册
Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda
(科普英语)Earth and Sky
to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球，使球的方向会发生突变，这样给对方造成错觉，不能回击那个球。这和其他球类运动，
美国习惯用语
Have you ever found yourself staring down at an empty bowl of ice cream wondering what just happened? 你是不是也遇到过这种情况：自己盯着空空如也的冰激凌杯，在想刚刚到底发生了什么？ Or holding an empty bag of M a
实用英语
By Carol Pearson Washington 26 September 2009 As the H1N1 swine flu virus spreads rapidly through the Northern Hemisphere, doctors and other health care professionals face a heavier-than-usual workload. Even without a flu pandemic, studies show, up
VOA标准英语2009年(九月)
Therapy Dogs Help US Veterans Beat Stress Disorders Simonsen, the senior enlisted leader at Joint Base Anacostia-Bolling in Washington, D.C. suffers from post traumatic stress disorder and a traumatic brain injury he received while deployed in Afghan
VOA标准英语2012年(八月)
Science and Technology Materials science Stronger when stricken 科技 材料科学 越敲越结实 A new material that gets stiffer when it is stressed 一种受外力时硬度提高的新材料 ONE of the valuable properties of bone is that when it
经济学人科技系列
By Al Pessin Pentagon 04 December 2007 The U.S. Defense Department Friday, November 30, 2007 launched a new effort to address the mental health needs of members of the military. But it says the effort to coordinate medical, academic, research and oth
VOA常速英语2007年（十二月）
BERLIN, June 16 (Xinhua) -- Roger Federer will vie for his sixth ATP Halle grasscourt title when he faces German Tommy Haas in Sunday's final. Second seed Federer barely sweated in his 6-1, 6-4 semifinal win over unseeded Russian Mikhail Youzhny on S
英语新闻
今天又要学两个在总统大选年里新闻界时常会用到的习惯用语，而且这两个习惯用语还是从美国人最心爱的消遣活动: 棒球赛中借用来的。 这两个习惯用语都和用牛皮制成的结结实实的棒球有
美国习惯用语
Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal
阅读空间
用真题讲一下如何搞定四级选词填空。 这篇四六级选词填空是我在四级冲刺班讲的一套题，2007年6月的四级考试真题，考生普遍反映很难，因为绝大多数的备选单词都不认识，这也是这种阅读
英语新闻
Hundreds of guests gather outside of the ticket office since the exhibition kicked off earlier this month, with a staff member from the Palace Museum leading each group into the exhibition hall. Starting from Saturday, each of the visitors had been g
2015CRI中国国际广播电台