单词：distributed bragg refector (dbr) laser
单词：distributed bragg refector (dbr) 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）
SCOTT SIMON, HOST: Millions of Americans recharge their phones and screens and laptops before they go to bed at night, but do they recharge themselves? Arianna Huffington says we're in the midst of a sleep deprivation crisis that creates anxiety as w
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中文 英文 缩写 放大 zoom in 放大的随机发射 Amplified Spontaneous Emission ASE 放大自辐射噪声 Amplified Spontaneous Emission Noise ASEN 放电 discharge 放号 number distribution
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Books and Arts; Book Review; Culture on television; The cruellest cut; 文艺；书评；电视上的艺术；最粗鲁的裁汰； The South Bank Show: Final Cut. By Melvyn Bragg. 《南岸秀：最终裁汰》Melvyn Bragg著。 The South Bank Show
经济学人文艺系列
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）
The State Grid Corporation of China, the country's largest energy distributor is taking further steps to facilitate the use of distributed power generation. This is an incentive for individuals who have the intention and capability to build their own
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