“gamma-ray bursts”的概念、定义、翻译、参考文献-科学参考

单词	gamma-ray bursts
释义	gamma-ray bursts [`gam·ǝ ´rā ´bǝrsts] ^ASTRONOMY Intense blasts of soft gamma rays of unknown origin, which range in duration from a tenth of a second to tens of seconds and occur several times a year from sources widely distributed over the sky.
随便看	aircraft machine-gun turret aircraft noise aircraft propeller aircraft propulsion aircraft pylon aircraft report aircraft rocket aircraft testing aircraft thermometry aircraft vectoring aircraft weather reconnaissance air crossing air-cure air current air curtain air cushion air-cushion vehicle air-cut air cycle air cylinder air defense air-defense artillery air deficiency air delivery air density

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