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单词 radio galaxy
释义

WordReference Random House Unabridged Dictionary of American English © 2024
radio gal′axy, 
  1. Astronomya galaxy that emits much more strongly in the radio part of the spectrum than does a typical galaxy.
  • 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::
radio galaxy n
  1. a galaxy that is a strong emitter of radio waves
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