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单词 radio source
释义

WordReference Random House Unabridged Dictionary of American English © 2024
radio source′, [Astron.]
  1. Astronomya cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
  • 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
radio source n
  1. a celestial object, such as a supernova remnant or quasar, that is a source of radio waves
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