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单词 open system
释义

WordReference Random House Unabridged Dictionary of American English © 2024
open system, [Thermodynam.]
  1. Thermodynamicsa region separated from its surroundings by a boundary that admits a transfer of matter or energy across it. Cf. closed system. 
  • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
open system n
  1. an operating system that is not specific to a particular supplier, but conforms to more widely compatible standards
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