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单词 light-emitting diode
释义

WordReference Random House Unabridged Dictionary of American English © 2024
light-e•mit•ting diode  (līti mit′ing).USA pronunciation 
  1. ElectronicsSee LED. 
  • 1965–70

Collins Concise English Dictionary © HarperCollins Publishers::
light-emitting diode n
  1. a diode of semiconductor material, such as gallium arsenide, that emits light when a forward bias is applied, the colour depending on the semiconductor material: used as off/on indicators
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