Track irregularity is one of the factors that make the increase of car body vibration, wheel-rail interaction force and wheel-rail noise.

轨道不平顺是引起车体振动加速度、轮轨作用力和轮轨噪声增大的主要因素之一。

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They thus absorb engine vibration and noise. They prevent this vibration and noise from being carried directly to the frame and consequently to the car Body and passengers.

这样可以吸收发动机的振动和噪音，阻止它们直接传到车架上，进而传给车身和乘客。

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This paper discusses vibration test method for urban rail passenger car body structure.

介绍了城市轨道客车车体结构的振动试验方法。

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