| 单词 | monochrome signal | 
| 释义 | monochrome signal [`män·ǝ´krōm ´sig·nǝl]  ELECTRONICS 1. A signal wave used for controlling luminance values in monochrome television.  2. The portion of a signal wave that has major control of the luminance values in a color television system, regardless of whether the picture is displayed in color or in monochrome. Also known as M signal.  | 
	
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