基于随机轨道粗糙度和车桥偶合单元，提出了大跨桥梁移动车辆荷载作用下随机振动的计算模式。

Based on random rail roughness and vehicle-bridge coupling element, a method is proposed for calculating random vibration of long span Bridges under moving vehicles in this paper.

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由于分子的高激发振动态具有很强的模间非线性偶合以及能量的传递，传统的动力学方法似乎很难有效地用来研究其性质。

The system is considered as classical based on the fact that the highly excited vibration is of high energy and approaches the classical realm.

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