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信号控制机能根据输出控制信号与反馈输入检测信号，实现信号控制机的自诊断功能。
According to output control signals and feedback input test signal, the traffic signal controller can realize self-diagnosable function.
该系统主要由红外遥控发射器和89c51单片机控制的红外接收电路、显示电路以及报警输入检测电路、输出控制电路构成。
The system is composed of a infrared telecontrol transmitter and the circuits of infrared receiving and display, input detecting and output controlling commanded by the 89c51 single-chip computer.
它将按需返回在输入字符串中检测到的各个匹配项。
It will return each match detected within the input string as requested.
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