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单词 blueshift
释义

WordReference Random House Unabridged Dictionary of American English © 2024
blue•shift  (blo̅o̅shift′),USA pronunciation n. [Astron.]
  1. Astronomya shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer.
Also, blue shift′. 
  • blue + shift 1950–55

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