单词：gas discharge laser
单词：gas discharge 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）
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
The cover shall be limited to sixty days upon discharge of the insured goods from the seagoing vessel at the final port of discharge． 被保险货物在卸货港卸离海轮后，保险责任以60天为限。 We generally insure W．P．A． on C．
英语作文
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）
今天我们要学的词是discharge。 Discharge有出院的意思。The H1N1 patient was discharged from the hospital after recovery, 这位H1N1甲型流感患者康复后出院。Former British Prime Minister Margaret Thatcher was discharged from
英语每日一词
今天我们要学的词是discharge。 Discharge有出院的意思。The H1N1 patient was discharged from the hospital after recovery, 这位H1N1甲型流感患者康复后出院。Former British Prime Minister Margaret Thatcher was discharged from
英语单词荟萃