单词：velocity head loss
单词：velocity 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
Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str
TED演讲教育篇
(LOS ANGELES, AP) Allen Iverson shook up the NBA Finals when he scored 48 points in the opener of the series. （美联社洛杉矶电）亚伦.艾佛森在NBA联赛的第一场比赛攻下48分，震撼NBA的总决赛。 The Philadelphia 76ers stunn
赖世雄英语新闻听力通
看到助攻，千万不要受汉语思维影响。助攻很简单，一点都不复杂，不信？看外电一段有关小巨人姚明缺席NBA全明星赛的相关报道： NBA Houston Rockets center Yao Ming will not play in next month's National
奥运英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling
Scientific American(四)月
This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m
Scientific American(六)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)
Warm Ocean Accelerating Antarctic Ice Loss The study is the first comprehensive survey of all the Antarctic ice shelves, which are the 1.5 million square kilometers that fringe much of the frozen continent. Lead author Eric Rignot, a professor at the
VOA标准英语2013年(六月)
We have to beat that. 我们必须克服它。 We can do it because in space there are no aerodynamics. 我们能够这样做是因为太空里没有空气阻力。 We can go and use inflatable systems for almost everything. 我们几乎总是能够使
TED演讲商业篇
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）
LOS ANGELES, March 10 (Xinhua) -- Blake Griffin finished with 22 points and eight rebounds, Chris Paul contributed 20 points with 14 assists as the Los Angeles Clippers handed the Detroit Pistons 5th straight defeat 129-97 on Sunday. The 129 points w
英语新闻
WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas
英语新闻
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
英语新闻
1． 市况上扬: The market advances/ gains /rises. 2． 市况下挫: The market declines /falls/loses. 3． 市况活跃: The market booms. The market is excited. The market becomes active. The market becomes brisk. 4． 市况暴跌停滞: The m
天天商务口语
China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示，我国
英语新闻
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
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
英语新闻
CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to
英语新闻