戴头盔的人会盯着电脑屏幕，它会反射由不同的字母和符号组成的矩阵行的高光位，这就像屏幕上的键盘一样。
The wearer stares at a computer screen, which flashes highlights over different rows in a matrix of letters and symbols set up like a keyboard on the screen.
本仪器还包括矩阵式键盘、小型液晶显示屏、串行通信模块和毛细管电泳分离模块。
The micro-fluidic chip analyzer also has matrix keyboard, small LCD displayer, serial communication unit, and capillary electrophoresis(CE) separation unit.
系统由80C196KC单片机、HD61202液晶模块和矩阵键盘电路组成。
This system is composed of 80C196KC SCM, HD61202 LCM and matrix keyboard circuit.
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