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单词 photodetector
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•de•tec•tor  (fōtō di tek′tər),USA pronunciation n. 
  1. Optics, Electronicsphotosensor.
  2. Electronics, Electricityany device, as a photodiode, phototube, or photovoltaic cell, that uses the photoelectric effect to convert radiant energy into an electrical signal.
  • photo- + detector 1945–50

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