单词：GaAlAs laser
单词：GaAlAs 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）
9Abimelech son of Jerub-Baal went to his mother's brothers in Shechem and said to them and to all his mother's clan, 2Ask all the citizens of Shechem, 'Which is better for you: to have all seventy of Jerub-Baal's sons rule over you, or just one man?'
士师记
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）
By Alisha Ryu Nairobi 01 June 2007 Officials in the semi-autonomous Somali region of Puntland have confirmed local reports that a group of armed fighters, believed to be remnants of Somalia's defeated Islamist movement, arrived in a small coastal set
2007年VOA标准英语（六月）
BERLIN, Sept. 27 (Xinhua) -- Bayern head coach Louis van Gaal and Bundesliga giants Bayern Munich agreed on a contract extension（延期） until 2012, the club announced on Monday. After a victory anybody could extend（扩大延伸） a contract.
英语新闻
THE HAGUE, July 6 (Xinhua) -- Louis van Gaal will be the new coach of the Dutch national team, the Dutch football association KNVB announced on Friday. Van Gaal succeeds Bert van Marwijk, who quit after a disappointing early exit at Euro 2012. He sig
英语新闻