文件名称:led
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led灯显示屏幕：显示屏的控制电路接收来自计算机的显示信号，驱动LED发光产生画面，并通过增加功放、音箱输出声音。
-led lights display screen: display control circuit receives the display signal from the computer, the drive LED light screen, and by increasing the amplifier, speakers output sound.
-led lights display screen: display control circuit receives the display signal from the computer, the drive LED light screen, and by increasing the amplifier, speakers output sound.
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led.doc