可以很好的实现模拟交通道路，分为主干道和支干道的道路运行情况，并且处理了车辆的左转问题……此程序是基于凌阳单片机开发的，希望对初学者有所帮助-This program can achieve a good simulation of traffic roads, main roads and branch roads into the road operation, and addressed the issue of vehicles turn left ... ... This progra