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单词 gamma-ray astronomy
释义

WordReference Random House Unabridged Dictionary of American English © 2024
gamma-ray astron′omy  (gamə rā′),USA pronunciation 
  1. Astronomythe branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them.
  • 1960–1965

Collins Concise English Dictionary © HarperCollins Publishers::
gamma-ray astronomy n
  1. the investigation of cosmic gamma rays, such as those from quasars
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