单词：coherent laser signal
单词：coherent laser signal 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）
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o
Scientific American(五)月
1. collusion /kəˈlu:ʒən/ -- (literally, playing together) secret agreement for a fraudulent purpose; conspiracy; plot It was not known whether the price increases resulted from higher costs or from collusion among the producers. 不知道价格的上
突破英文词汇
AA: Im Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- wishing you good health over the holidays, with Slangman David Burke. RS: Once again, just for our listeners, Slangman David Burke has rewritten a popular childrens fairy tale to
英语单词大师-Word Master
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）
You forget he isn't alone. 你忘记了，他在那里不是一个人。 I held my tongue. I saw myself calling on Charles Strickland and sending in my card; 我没有说什么。我想到我去拜访查理斯思特里克兰德，递上我的名片，
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