单词：sweep laser
单词：sweep laser 相关文章
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
VOA常速英语2008年（四月）
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
2013年VOA慢速英语(二)月
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
VOA标准英语2014年(二月)
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
2017年VOA慢速英语(七)月
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
2005年NPR美国国家公共电台
By Steve Herman New Delhi 04 June 2008 More than 10,000 people have been arrested in Bangladesh, the past week, as part of an ongoing crackdown by the government. Political activists are among those being jailed in what officials call a sweeping ant
VOA标准英语2008年（六月）
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
2013年VOA慢速英语(五)月
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
2012年VOA慢速英语(一)月
今天我们再学几个美国政坛常用的习惯用语。第一个是：landslide。 Landslide，原来的意思是山崩、塌方，是由于大雨或者地震而导致大量的泥土石块从高处崩塌下来。这样由泥石汇成的巨流有排
美国习惯用语
歌词如下： The broom,the broom, What do we with it? What do we with it? We sweep the floor, We sweep the floor, Each morning, Each morning
英语儿歌274首
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
今天我们要学的词是sweep。 Sweep, 大家都知道，是扫地的意思，不过，sweep还有另外一个意思，指赢得比赛的全部胜利。 Jamaica became the first nation in Olympic history to sweep the gold, silver and bronze medal
英语单词荟萃
By Cindy Saine Washington 13 February 2008 Senator Barack Obama has scored three decisive primary victories, Tuesday over Senator Hillary Clinton, winning big in Maryland, Virginia and Washington, DC in the race for the Democratic presidential nomina
VOA常速英语2008年（二月）
By Jim Malone Washington 20 February 2008 In the U.S. presidential race, Barack Obama has now won10 straight contests in his battle with Hillary Clinton for the Democratic Party's presidential nomination. Meanwhile, John McCain moved another step clo
VOA常速英语2008年（二月）
今天我们要学的词是sweep。 Sweep, 大家都知道，是扫地的意思，不过，sweep还有另外一个意思，指赢得比赛的全部胜利。 Jamaica became the first nation in Olympic history to sweep the gold, silver and bronze medal
英语每日一词
CHANGZHOU, Jiangsu Province, Sept. 17 (Xinhua) -- Chinese badminton team were on verge of another clean sweep after last month's world championships as they had secured one-two in three of the five events on Saturday. Shuttlers from other teams could
英语新闻
BEIJING, Nov. 20 (Xinhua) -- A cold front will sweep most parts of China over the next three days, bringing strong winds and temperature drops, the National Meteorological Center forecast Tuesday. From Wednesday to Friday, temperatures will drop from
英语新闻
Strong cold front to sweep China BEIJING, Oct. 14 (Xinhua) -- A strong cold front coming from northwest China's Xinjiang Uygur Autonomous Region will drop temperatures in most parts of China in the next three days, the country's national observatory
英语新闻
Cold snap to sweep through China BEIJING, Oct. 28 (Xinhua) -- China's central and eastern regions will experience temperature drops in coming days, while the southern parts will receive moderate to heavy rain, the national meteorological watchdog for
英语新闻
BEIJING, Feb. 15 (Xinhua) -- A strong cold front is expected to sweep most of China, dragging down temperatures by up to 14 degrees Celsius in some areas. The cold front will lower temperatures by 6 to 10 degrees Celsius in most parts of China during
英语新闻