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1·The non linear moving stability of cars on resilient track is researched with the car track coupling dynamics theory.

运用车辆-轨道耦合动力学理论，研究了车辆在弹性轨道上的非线性运动稳定性问题。

2·The brake moment is overcome by the resilient pin, and the shear force is not applied to the coupling bolt, which enhances the reliability of the coupling bolt.

制动力矩由定位销克服，联结螺栓不受剪切力作用，加强了联结螺栓的可靠性；