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单词 xenon arc
释义

WordReference Random House Unabridged Dictionary of American English © 2024
xenon arc′, 
  1. Cinema, Electricityan electric arc between two metal electrodes enclosed in a quartz bulb and contained in a xenon atmosphere, used mainly as a high-intensity light source in motion-picture projectors and studio spotlights. Cf. arc light. 
  • 1970–75

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