Curriculum included: Electric power systems, 90; Signal processing, 88; systems and control, 92; Electric energy systems, 92; Solid-state electronics, 88; Communications, 94.
By single chip computer control of counter automatically generate tong 1 second stop 4 seconds of signal, make no. 5 relay output drive electric horn turns electrify.
由单片计算机控制的计数器自动产生通1秒停4秒的信号，使5路继电器输出带动电喇叭轮流通电。
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Light and electricsignal brakes by PLC control power and magnetic clutch to keep pace with the main engine.