| 单词 | photocell |
| 释义 | photocell (once / 268621 pages) n WORD FAMILY photocell: photocells USAGE EXAMPLESThe photocells could be activated randomly by bright sunlight during the day, and by the lights of passing cars at night. New York Times(May 30, 2012) Users pointed it at four photocells positioned next to the corners of the TV screen to trigger actions. The Guardian(May 23, 2012) Through the door streamed a light of a brilliance beyond anything in his experience; his photocells cringed before its very intensity. Clinton, Ed M., The Small World of M-75(2010) n a transducer used to detect and measure light and other radiations Syn|Hypo|Hyper electric eye, magic eye, photoconductive cell, photoelectric cell selenium cell a photoelectric cell that uses a strip of selenium detector, sensing element, sensor any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner transduceran electrical device that converts one form of energy into another |
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