单词：laser heterodyne measurement
单词：laser heterodyne measurement 相关文章
[00:09.98]北京奥运28大项 [00:30.84]参与，竞争，分享，进步 [00:48.19]Athletics 田径 [00:54.69]VERTICAL JUMPS 跳高 [01:00.71]An athlete may commence jumping/vaulting [01:03.86]at any height previously announced by the Chief Judge [01:07.38]and may jum
奥运28大项比赛
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商业服务英语
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
The English word foot has more than one meaning. In the United States, one meaning is a unit of measurement equal to 12 inches, or .3 meters. We use feet to measure height, length and short distances. Todays question is about when to use the plural o
2018年VOA慢速英语(十)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)
This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international
Scientific American(一)月
EDUCATION REPORT - Students Face New Worry: Wrongly Scored College-Entry TestsBy Nancy Steinbach Broadcast: Thursday, March 30, 2006 I'm Steve Ember with the VOA Special English Education Report. Abou
2006年慢速英语（三）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
1. Hawaii was hit hard early Sunday morning with a massive earthquake and several aftershocks. Preliminary measurement showed the quake at a magnitude of 6.5. A town on the west coast of the Big Islan
美联社新闻一分钟2006
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
BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob Doughty. Today, we will tell how technology could help doctors meet demand for transplant organs. We also will tell about a scientific effo
2010年VOA慢速英语(十)月
A man of the state of Zheng wanted to buy a pair of shoes．He measured his feet and put the measurement on a chair．When he set out for the market he forgot to bring it along．It was after he had found the pair he wanted that this occurred to him．
趣味英语
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）
A chef has created an off the scale chicken dish so spicy he claims it can cause facial paralysis. 一名厨师发明了一种超级辣的鸡肉菜肴，他宣称这道菜会让食客辣到面瘫。 图片1 Muhammad Karim, 34, has to wear a gas mask
英语新闻
In the state of Chu there was a man skilled in physiognomy．His comments were very accurate and his fame spread through the state．King Zhuang sent for him and asked him the secret of his success．Sire，said the man，I am not good at judging cha
趣味英语
船务术语汇总 BAF （Bunker Adjustment Factor） 燃油附加费 CAF （Currency Adjustment Factor） 货币贬值附加费 YAS （Yard Surcharges）码头附加费 EPS （Equipment Position Surcharges） 设备位置附加费 DDC （Destination
实用英语
Joining me now from Santa Barbara, California, to talk about Mr. Trump's first 14 weeks on the job is NewsHour Weekend special correspondent, Jeff Greenfield. Jeff, it's good to see you. So here we are, 100 days in. But you've said on this program an
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