单词：confocal ruby laser
单词：confocal ruby 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）
[00:16.47]Haunted School House [00:22.48]闹鬼的校舍 [00:31.17]In the following weeks I saw many things [00:34.31]that would've normally unnerved me a bit. [00:38.06]I saw more ghosts than I can count. [00:41.42]More than I ever did in childhood. [00:
英语灵异故事
Long years ago, Zaman was the Prince of a small Arab kingdom. He went to a nearby forest with his Princess Badora for a camp. After the meals the Princess removed all her jewels to take rest in the tent. When the Princess put the jewels beside her, a
一千零一夜英文故事
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)
科学家们创造可触摸的虚拟影像 Motion recognition technology already allows users to command computer-controlled devices by waving a hand above a sensitive surface. 动作识别技术已使得用户能够通过挥手对电脑控制的设备
VOA标准英语2015年(九月)
The company has become a focal point that draws people at all times of the day and year. 贵公司成了时刻吸人眼球的焦点。 The company has become a focal point that draws people at all times of the day and year. 贵公司成了时刻吸人眼
玩转商务英语900句
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
Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so
电信英语
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
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
Scientists Create 'Touchable' Virtual Objects 科学家们创造可触摸的虚拟影像 Technology is already capable of tricking most of our senses ... laser holography can create three-dimensional images where nothing exists, stereo sound can surr
VOA标准英语2015年(四月)
最近又有大批的同学要赴英赴美读书，已经开启行前准备模式。或许很多同学会将重点转移至行李整理，同学见面等活动，却不知，此刻更为重要的是生活类词汇的积累。从上飞机的一刻起，
雅思英语
For example, the newly formed Global Manufacturing Solutions business will be a focal point of Rockwell Automation's core growth strategy. It will provide total cost of ownership solutions, such as asset and integration management and consulting serv
林超伦实战口译练习笔记
Buss Peterson, My roommate. When I first met Buss, all I heard about was that this kid from Ashville North Carolina was clearly unplayed against but he has never played against me then, so how do you come to be the player of the year? Is that some ty
偶像励志英语演讲
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
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）
What do we know about the main venues being used for the summer Olympics? The famous Maracana will be acting as the city's Olympic stadium. Having opened in 1950 an estimated 200,000 people crammed in to watch Brazil lose 2-1 to Uruguay in the world
cctv9英语新闻2016年