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给出了二维CA交通流模型的演化方程和速度表达式.引入转向概率,在计算机上模拟了转向概率引起交通堵塞现象的临界密度和对交通状态的影响A group of evolution equations and a expression of the flow speed, in traffic describing a 2D cellular automaton traffic-flow model are presented.A turning probability is introduced into the model to simulate the traffic jam.The effects caused by the turning probability are abserved in computer simulation.
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