VOA常速英语2008年-US Government Reviews Laser Eye Surgery

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

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Obama Considers Proposals to Change Surveillance WASHINGTON Next month President Barack Obama is expected to change the way the United States collects information - domestic and foreign. A presidential advisory panel has submitted 46 broad recommenda

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

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

VOA常速英语2014--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

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

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Watch the US Navy’s New Laser Weapon in Action

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

2005年NPR美国国家公共电台九月-Laser Work Earns Trio Nobel Prize for Phy

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

VOA标准英语2013--The History of the Laser

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

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

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

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US Allies Remain Skeptical of Obamas Surveillance Reforms 美国的盟友仍然怀疑奥巴马的监测改革 LONDON There has been a muted response from U.S. allies to President Obamas plans to curb the surveillance activities of the National Securi

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Boston Bombing Sparks Surveillance Camera Debate The FBI released color surveillance camera footage of the Boston bombing suspects three days after the attacks took place. The video shows two men walking with rucksacks moments before the explosions.

US Public Split Over NSA Surveillance 美国公众对隐私被监视看法有分歧

US Public Split Over NSA Surveillance 美国公众对隐私被监视看法有分歧 一个互联网隐私团体已经要求美国最高法院调查政府 在过去的七年 的监视通话记录。民调显示,美国人在这个问题上有分歧。

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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

2007年VOA标准英语-US Terrorist Surveillance Program Put Under Spe

By Paula Wolfson White House 17 January 2007 Big changes are being made in a highly controversial domestic surveillance program launched by the Bush administration after the September 11, 2001 terror attacks on the United States. VOA's Paula Wolfson

VOA标准英语2013--Reported US Surveillance of Pakistan’s Nuclear Program Raises Questions

Reported US Surveillance of Pakistans Nuclear Program Raises Questions WASHINGTON A recent Washington Post article reporting that the United States has stepped up surveillance of Pakistan's nuclear program has once again raised questions about the bi

学个词 Learn a Word-VOA英语教学 1751-surveillance

学个词-1752-delay 今天我们要学的词是 delay. Delay 延迟，可以是名词，也可以是动词，我们这里讲的是名词用法。A small fracture in his ankle led to a delay in Derek Jeter's return to the Yankees lineup. 踝骨骨裂延

2007年VOA标准英语-Bush Urges Action on Terrorist Surveillance Leg

By Paula Wolfson Washington 01 August 2007 President Bush is urging the U.S. Congress to move quickly to rewrite rules for terrorist surveillance. VOA's Paula Wolfson reports the White House wants to see action before lawmakers adjourn later this wee

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NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

CCTV9英语新闻：China releases record, slamming US surveillance of China, world

Chinas State Internet Information Office has just published an Americas Global Surveillance Record, a few days after the governments announcement that it would increase security checks for computer hardware and services. The Record is drafted by the

U.S. to deploy powerful surveillance system in Afghanistan

WASHINGTON, Jan. 2 (Xinhua) -- The U.S. military is set to deploy a powerful surveillance system in Afghanistan(阿富汗) this winter that wires wide angle aerial images directly to combat troops（部队）, media reports said Sunday. The Washingto