文件名称:jiaotongdeng
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交通灯电路图设一个十字路口,1、3为南、北方向,2,4为东西方向,初始态为4个路口的红灯全亮。之后,1、3路口的绿灯亮,2,4路口的红灯亮,1,3路口方向通车。延迟一段时间后,1,3路口的绿灯熄灭,而1,3路口的黄灯开始闪烁。闪烁若干次后,1,3路口的红灯亮,同时2,4路口的绿灯亮,2,4路口开始通车。延迟一段时间后,2,4路口的绿灯熄灭,而黄灯开始闪烁。闪烁若干次后,在切换到1,3路口方向。之后,重复上述过程。-Circuit-based traffic lights at a crossroads, 1,3 for the South and the North to 2,4 for the east-west direction, the initial state for the red lights at the junction of four full-liang. After the green light at the junction of 1,3, 2,4 at the junction of the red light, the direction of the opening of 1,3 junctions. Delayed for some time, put out the green light at the junction of 1,3, and 1,3 started flashing yellow light junctions. After several flashes, 1,3 at the junction of the red light, while the green light at the junction of 2,4, 2,4 junction opened to traffic. Delayed for some time, the green light junctions 2,4 extinguished, and the yellow light started blinking. After several flashes in the switch to the direction of 1,3 junctions. After repeat the process.
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