单词：optimal specific frictional head loss
单词：optimal specific frictional head loss 相关文章
KATHERINE COLE: This is SCIENCE IN THE NEWS, a program in VOA Special English. I'm Katherine Cole. BOB DOUGHTY: And I'm Bob Doughty. Today, we will tell about head injuries in sports. We will tell about evidence of hearing loss among younger American
2010年VOA慢速英语(九)月
ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes
2017年NPR美国国家公共电台6月
By Larry London Washington, DC 13 September 2006 watch Carbon Leaf report The members of Carbon Leaf have always managed to attract a large following -- from their early days as college students to their national appearance at the 2002 American Musi
2006年VOA标准英语（九月）
USA skeleton competitor Zach Lund poses for a portrait during the USOC Media Summit in Chicago. Lund was suspended for a year and booted from the 2006 Turin Olympics because of a hair-growth product that at the time contained a banned substance. He's
VOA标准英语2010年(二月)
Many young people choose to continue their educations abroad. What are the benefits of studying abroad? What are some of the problems students might experience when studying in a foreign country and how those problems be minimized? Since World War II
雅思英语
一般而言，男人会与比自己小的女人结婚，女人也乐于嫁给比自己大的男人 Men marry younger women and women prefer to marry older men, in general. But is it culture, genetics or the environment that drives such a choiceand i
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By Lisa Bryant Paris 10 July 2006 France woke up to the grim reality of its defeat against Italy in the World Cup championship in Germany. For VOA, Lisa Bryant takes a look at the mood in Paris, where a disappointed French soccer team arrived from B
2006年VOA标准英语（七月）
ROME, Jan. 9 (Xinhua) -- Mirko Vucinic hit in an extra-time winner to help Juventus beat AC Milan 2-1 in the quarterfinals of the Coppa Italia on Wednesday. The Milan side went ahead in the sixth minute through Stephan El Shaarwy, and six minutes lat
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Morning is the optimal time to get your metabolism revved up for the day and your body ready to fight fat. Changing up your morning routine to lose weight more effectively may feel awkward at first. But once your modifications become habits, you may
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BEIJING, Dec. 2 (Xinhua) -- Three-time NBA All-star Gilbert Arenas missed a head-to-head clash with seven-time All-star Tracy Mcgrady in the fourth round of the Chinese Basketball Association (CBA) league on Sunday. Arenas was benched for groin strai
英语新闻
WHEN a woman breaks a glass ceiling and becomes the presidential nominee of a major political party, what should men think? 当有一名女性打破玻璃天花板成为主要政党的总统提名人时，男性应当作何感想？ Should men applau
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No one teaches you how to be a good employee or manager. So what do you do once you graduate with plenty of knowledge about your degree field, but a blank slate about how to push the needle in the office? 没有人教你如何成为一个好的员工或
求职英语
秘鲁，法国签署防务协议 LIMA, Nov. 4 (Xinhua) -- Peru and France signed here Monday two cooperation agreements on defense and protection of information and sensitive materials, said the Defense Ministry. The deals were signed by Peruvian De
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Economics Brief 经济学简介 Six Big Ideas: The natural rate of unemployment 六大经济学原理：失业的自然比率 Central bankers' holy grail 央行银行家的圣杯 Policymakers have spent half a century in search of the natural rate of
经济学人财经系列
Repetition Doesnt Work: Better Ways to Train Your Memory 比重复更有效的记忆方法 A team of scientists recently discovered that repetition is a terrible way to memorize informationand their findings highlight much better strategies. 一组科学
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WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A
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The largest U.S. bank, JPMorgan Chase, says it lost $5.8 billion in bad trades this year, nearly triple its original estimate. The Wall Street investment bank said two months ago it estimated that losses originating in its London trading office would
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