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单词 pneumatics
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pneu•mat•ics  (nŏŏ matiks, nyŏŏ-),USA pronunciation n. (used with a sing. v.)
  1. Physicsthe branch of physics that deals with the mechanical properties of air and other gases. Also called pneumodynamics. 
  • see pneumatic, -ics 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::
pneumatics /njʊˈmætɪks/ n
  1. (functioning as singular) the branch of physics concerned with the mechanical properties of gases, esp air
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