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单词 astrometry
释义

WordReference Random House Unabridged Dictionary of American English © 2024
as•trom•e•try  (ə stromi trē),USA pronunciation n. 
  1. Astronomythe branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies. Also called positional astronomy. 
  • 1865–70; astro- + -metry
as•tro•met•ric  (as′trō metrik),USA pronunciation as′tro•metri•cal, adj. 
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