从振动的角度看，汽车振动系统可分为车身振动系统和动力传动系扭转振动系统。
From the view point of vibration, automobile is divided into a body vibration system and powertrain torsional vibration system.
从振动的角度看，车辆动力传动系可分为弯曲振动系统和扭转振动系统。
From the view point of vibration, powertrain is divided into bending system and torsional system.
将牵引车的传动系简化为一个2自由度的扭转振动系统，并以二阶微分方程描述。
The driveline for a tractor vehicle is simplified as a 2-DOFs(degree of freedom)torsional vibration system, and is described as a second-order differential equation.
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