随着计算机技术的长足进步，以及多体系统动力学这一学科的成熟，汽车模型的自由度越来越多，仿真结果越来越精确。

With the great improvement of the computer technique and the maturation of the multi-body dynamics, the multi-DOF of the automobile model was presented and the simulation results were more accurate.

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模型机械：飞机模型、汽车模型、船模型、建筑模型、军事模型、火车、铁路、动物模型、仿真模型、压铸及金属玩具等；

A model plane, model of mechanical: car, model ship models, the building model, military, model train, railway, animal model and simulation model, die-casting and metal toys;

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