单词:Mie's scattering laser radar
单词:Mie's scattering laser radar 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
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
A Chinese-made self-driving container straddle carrier, said to be the first of its kind in the world, is now undergoing testing at a port in Shanghai, reports China Central Television. A container straddle carrier is a freight carrying vehicle that
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
This is Valentines Day and this morning, we have a few words about love and money. According to research from a major credit card company, the average man spends about $130 on his sweetheart. Women, spend about half that. For people who want to spend
The Mona Lisa with her enigmatic(神秘的) smile hangs in the Louvre Museum in Paris but to this day the woman who was used as the model for Leonardo da Vinci's portrait remains a mystery. Now, a group of Italian experts is trying to establish w
This is IN THE NEWS in VOA Special English. In two thousand six, Defense Secretary Robert Gates advised President George W. Bush to base a missile defense system in Europe. Russia objected to what it saw as threat to its security. But supporters sai
Last month, Washington, D.C., opened a new kind of trade school of which it is immensely proud. This is not one of the old-fashioned vocational schools that taught literal nuts-and-bolts repair work or hands-on career training in fields like auto re
By Cindy Saine Capitol Hill 24 September 2009 Several U.S. senators have blasted President Barack Obama's decision to change U.S. missile defense policy in Europe, accusing the president of abandoning U.S. allies there. Senior Pentagon officials and
Foragers Sample Nature's Bounty Today, most Americans get their food from the supermarket, but some are even going beyond farmers markets or backyard gardens for fresh produce. They're learning how to forage for wild edibles. Earth Connection, about
China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th
Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,
China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense
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
By Scott Stearns Rome 08 June 2007 U.S. President George Bush and Polish President Lech Kaczynski say American plans to base missiles in Poland are no threat to Russia. VOA White House Correspondent Scott Stearns reports, Russian President Vladimir P
The United States and Russia continue sparring over a Central European missile defense system, as Secretary of State Condoleezza Rice says America is committed to protecting its allies from a possible Iranian missile attack, and her Russian counterp
How to deal with and what to do with Iran's nuclear weapons aspirations is expected to be discussed during the upcoming Moscow summit between U.S. President Barack Obama and his Russian counterpart Dmitri Medvedev. Iran's nuclear weapons program is
The Chinese government is accusing Japan of falsely saying Chinese warships targeted fire-control radars at their vessels in the East China Sea. Foreign Ministry Spokesperson Hua Chunying says moves like these are unhelpful. The Japanese side has bee
Solving Today's Problems with Yesterday's Technology My wife told me that our daughter, now 10, would grow up to spend a lot of time on the phone. These days, when our home phone rings, the wife and I usually don't even bother to pick it up. Our girl
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for