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单词 cathode-ray tube
释义 cath·ode-ray tube AHD[kăthʹōd-rā'] D.J.[ˈkæθəʊdˌreɪ]K.K.[ˈkæθodˌre]n.(名词)abbr. CRT【缩写】Precision Graphics
  1. A vacuum tube in which a hot cathode emits electrons that are accelerated as a beam through a relatively high voltage anode, further focused or deflected electrostatically or electromagnetically, and allowed to fall on a phosphorescent screen.阴极射线管:一种真空管,内部的热阴极发射的电子作为射线通过电压相对较高的正极而被加速,而后因静电作用或电磁作用而发生聚合或偏离并落在荧光屏上
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更新时间:2025/4/18 17:10:59