中文摘要：

依据系统工程理论的思想，对客运专线曲线线路车线耦合系统的动力学性能和无砟轨道结构车辆线路耦合系统振动响应问题进行分析和仿真研究，主要研究内容如下。

英文摘要：

Based on the thought of the system engineering theory, the questions about the dynamic characteristics of vehicle-track coupling system on curved track and the vibration response of ballastless track structure of passenger traffic railway are analyzed and are simulated research. The main searches are as follows.