文件名称:Trafficlightsignalcontroller
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具体设计说明如下：
（1）主、支干道各设有一个绿、黄、红指示灯。
（2）主干道每次放行45s，支干道每次放行25s，在每次由绿灯变成红灯时，要亮5s黄灯作过渡。
-The concrete design notes are as follows: (1) main, a yang or male principle is equipped with one green respectively, yellow, the red indicating lamp. (2) the main yang or male principle each time allows to pass 45s, a yang or male principle each time allows to pass 25s, when each time turns the red candle by the green light, must shine the 5s yellow light to make the transition.
（1）主、支干道各设有一个绿、黄、红指示灯。
（2）主干道每次放行45s，支干道每次放行25s，在每次由绿灯变成红灯时，要亮5s黄灯作过渡。
-The concrete design notes are as follows: (1) main, a yang or male principle is equipped with one green respectively, yellow, the red indicating lamp. (2) the main yang or male principle each time allows to pass 45s, a yang or male principle each time allows to pass 25s, when each time turns the red candle by the green light, must shine the 5s yellow light to make the transition.
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交通灯.doc