压缩包包含1份matlab的model文件，1份pdf文件。建立了二自由度汽车模型及其运动微分方程，使用simulink进行了建模，进行了仿真试验和简单分析。(The zip contains 1 matlab model file and 1 PDF file.The two-degree-of-freedom vehicle model and its motion differential equation are established. Simulink is used for mod