单词:compton scattering of gamma rays
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Gamma Ray Observatory to Open Soon in Mexico 墨西哥建造伽马射线天文台即将开放 American and Mexican scientists have completed construction of the world's largest gamma ray observatory, situated high in central Mexicos Sierra Negra Moun
Calling for a day off A: Hello, Mr. Compton? This is Susan Miller. B: Hi, Susan. What can I do for you? A: Id like to take tomorrow off if thats all right with you. B: Let me take a look. Just a second. Thats no problem, Susan. See you on Wednesday. 请
I heard you been spending a lotta time at your aunt's house. How's the couch life? I got my woman and my baby livin' there. It's hard, man. But you know, everybody can't do what you do. Really what I do gettin' played out, Dre. Where the money at? Wh
But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch
By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs
Part 3. Compton Gamma Ray Observatory. Keywords. ailing observatory, orbit, gamma rays. Vocabulary. debris, thruster, gyroscope, bathe, stream from, Compton Gamma Observatory, Goddard Space Flight Center. Now listen to a news report, complete the new