内调制激光器

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

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 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

发表于:2018-12-16 / 阅读(72) / 评论(0) 分类 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

发表于:2018-12-16 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(二月)

51.请你帮个忙好吗? 常用应急场景 范例一:Ask for a favor Could I ask you for a favor? My laser printer is out of ink and I need to print out something urgent. If you dont mind, I would like to send you these files. Could you then print these for me

发表于:2018-12-26 / 阅读(64) / 评论(0) 分类 白领口语应急

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

发表于:2019-01-02 / 阅读(87) / 评论(0) 分类 2017年VOA慢速英语(七)月

补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

发表于:2019-01-03 / 阅读(52) / 评论(0) 分类 电信英语

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

发表于:2019-01-03 / 阅读(77) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2012年VOA慢速英语(一)月

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(八月)

NOEL KING, HOST: There is a new star on Broadway. He's 20 feet tall, weighs 1.2 tons, and his name is King Kong. He's a puppet, and he's the centerpiece of a $35 million musical based on the original film that opens tonight on Broadway. Reporter Jeff

发表于:2019-01-17 / 阅读(205) / 评论(0) 分类 2018年NPR美国国家公共电台11月

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

发表于:2019-01-31 / 阅读(101) / 评论(0) 分类 VOA常速英语2007年(十一月)

Cocktail fans in London will want to take deep breaths when they enter a pop-up bar that opens on Thursday, July 30, on the site of an ancient monastery in Borough. 位于博罗市场古老修道院内的一家快闪酒吧于7月30日开放,伦敦爱

发表于:2019-02-04 / 阅读(267) / 评论(0) 分类 阅读空间

If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款,不妨为银行经理准备早餐,问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re

发表于:2019-02-07 / 阅读(435) / 评论(0) 分类 阅读空间

The little hairbird still continues his almost incessant chirping, the first to begin and the last to quit the performance. 小小的梳妆鸟依旧在无休止地啾鸣,先是第一只开始,直到最后一只停止表演。 Though the voice of

发表于:2019-02-11 / 阅读(47) / 评论(0) 分类 美国语文第六册

In the morning, at this time of year, on the contrary, we are overpowered by the vocal and multitudinous chorus of the feathered tribe. 与之形成鲜明对比的是,每年这个季节的清晨,我们都会被长着羽毛的族类那动听和多声

发表于:2019-02-11 / 阅读(61) / 评论(0) 分类 美国语文第六册

But the Nautilus wanted nothing to do with these nasty animals. Timor Island was visible for barely an instant at noon while the chief officer determined his position. 但诺第留斯号跟这些怪难看的动物并没有什么交道可打。帝位岛

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 《海底两万里》中英双语有声读物

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 经济学人综合

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(154) / 评论(0) 分类 英语单词荟萃
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