| 单词 | electric signal |
| 释义 | > as lemmaselectric signal electric signal n. a signal that is conveyed by electricity (as by variations in voltage or frequency) or operated by electricity. ΚΠ 1857 W. Thomson in Proc. Royal Soc. 8 306 By striking one or other of the remaining six keys at the same time..as one of the first set, the second operation of the double electric signal will be that corresponding to the key of the first set. 1887 E. S. Phelps Gates Between vi. 77 In one corner of the room..was the clerk's desk; the electric signal shone faintly above it. 1916 W. B. Munro Princ. & Methods Munic. Admin. viii. 352 The flow of water through a single sprinkler-head will operate a gong or transmit an electric signal to the nearest fire station. 1977 Gramophone June 122/1 The speaker converts an electric signal into an acoustic wave. 2003 S. Greenfield Tomorrow's People (2004) iii. 66 Jessica Bayliss has been able to detect and monitor the tiny electric signal leaking through the skull that precedes an action. < as lemmas |
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