单词：high energy pulse laser
单词：high energy pulse 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
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about a new cancer treatment and a study of the disease malaria. We will tell about the possibility of drier con
2010年VOA慢速英语(十一)月
Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of
2015年Scientific American(一)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 Valentines Day and this morning, we have a few words about love and money. According to research from a major credit card company, the average man spends about $130 on his sweetheart. Women, spend about half that. For people who want to spend
2006年NPR美国国家公共电台
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
STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the
2010年VOA慢速英语(九)月
By George Dwyer Washington, DC 25 July 2006 watch California Energy report California is facing a power emergency in the wake of record high temperatures. Air conditioning units across the state are set on high and consumers are being urged to conse
2006年VOA标准英语（七月）
Last month, Washington, D.C., opened a new kind of trade school of which it is immensely proud. This is not one of the old-fashioned vocational schools that taught literal nuts-and-bolts repair work or hands-on career training in fields like auto re
VOA标准英语2008年（九月）
By George Dwyer Washington, DC 27 April 2006 watch Military Energy Cost The cost of fighting the war on terror is measured in blood and in treasure -- the number of lives lost, and the number of U.S.
2006年VOA标准英语（四月）
Russia Re-Industrializes as Energy Boom Fades Post Soviet Russia is widely seen as an industrial rust belt. But here, in a new car making hub outside St. Petersburg, American car maker GM is investing to triple its production capacity. Romuald Rytwin
VOA标准英语2013年(三月)
By Bill Gasperini Moscow 10 June 2006 Group of Eight finance ministers meeting in Russia say world economic growth continues, but they warned it is threatened by soaring costs for oil and gas. The ministers met in Russia's second city of St. Petersb
2006年VOA标准英语（六月）
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
2017CRI中国国际广播电台
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 science of the future to eve
英语语言学习
LOS ANGELES, May 30 (Xinhua) -- The American Academy of Pediatrics (AAP) warned on Monday that children should keep away from energy drinks which may be dangerous for minors. The AAP urged young children and teens to avoid energy drinks entirely, say
英语新闻
DUBAI, Dec. 22 (Xinhua) -- The Abu Dhabi-based International Renewable Energy Agency (IRENA) said Saturday the six GCC countries' returns through renewable energy integration could hit 200 billion U.S. dollars by 2030. IRENA said in an e-mailed repor
英语新闻
Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄，传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距
经济学人科技系列
Chinese Premier Li Keqiang has urged an upgrading of the manufacturing industry in order to ensure medium-high level economic growth in the country. Premier Li made the remarks on Monday during an inspection visit to China Nuclear Power Engineering C
2015CRI中国国际广播电台