单词:heat effect of solid laser
单词:heat effect of solid laser 相关文章
When it comes to climate change, public opinion is near 50-50, but 97% of scientists who dedicated their lives to studying our climate said that is happening and it is happening because of human activities. Without the evidence, we have a warming ear
Unit 9 Text A Listening First Listening Before listening to the tape, have a quick look at the following words. greenhouse effect 温室效应 alter 改变 release 排放 carbon dioxide 二氧化碳 t
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
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
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
New Laser Heals Wounds Faster, Without Scarring 新激光治疗伤口好的更快且没有疤痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues
The Arctic's Anti-Snowball Snowball Effect 北极的反雪球效应 Last Christmas, Santa Claus must have been loading his sleigh in a t-shirt and shorts. Temperatures at the North Pole crept up toward the freezing point when they should have been mi
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
By David Gollust Secretary of State Colin Powell, on his first visit to Brazil, says that country is a
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
ENVIRONMENT REPORT -June 28, 2002: Rooftop Gardens By Cynthia Kirk Chicago City Hall This is the VOA Special English ENVIRONMENT REPORT. Officials in Chicago, Illinois, are hoping to help the environm
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
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
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
今天我们要学的词是absorb。Absorb, 吸收,吸纳。最新调查显示,美国明年的保险费用可能要上涨5.4%。 Due to the current economic condition, most companies say it's too much for them to absorb, 鉴于目前经济形势的
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
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
In a new record, Beijings Environmental Protection Bureau has handed down the highest fine to a company for violating pollution standards. The utility boiler manufacturing company was fined after the citys new Air Pollution Prevention Regulation took
One of the really exciting and high-level scientific interests is whether Venus is geological active today, because there are reasons to think of the clouds on Venus only exist, because there is ongoing geological activity, so this is one of the bigg
Cannot fall, never do regret Know just what is being said know the risk you take Keep your head above it all Sure you can fall but not now you gotta prove something new, being you, being you Can't feel, keep from asking why be the strongest at goodby