| 单词 | photoelectric cell |
| 释义 | photoelectric cell (once / 171295 pages) n WORD FAMILY photoelectric cell: photoelectric cells USAGE EXAMPLESIt is invisible to us, but readily detectable by bumblebees and photoelectric cells. Carl Sagan, Cosmos(1980) “It was definitely a novel use of existing technology, using a photoelectric cell to size the strike zone,” he said. New York Times(Apr 30, 2016) Baker remembered that when he was a youth, researchers used photoelectric cells to estimate the speed of major league pitches. Newsweek(Sep 01, 2010) n a transducer used to detect and measure light and other radiations Syn|Hypo|Hyper electric eye, magic eye, photocell, photoconductive 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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