数值仿真研究结果表明，在悬架系统中选用合适的变刚度弹簧能有效改善乘坐舒适性。
Numerical simulations have demonstrated that in the vehicle suspension system by choosing appropriate variable stiffness springs, ride comfort can be improved efficiently.
空气弹簧具有变刚度特性，其固有振动频率要比钢板弹簧低得多，且不随汽车承载质量的变化而改变。
Air spring is characteristic of variable stiffness, its natural vibration frequency is much lower than that of leaf spring and will not change with load of vehicle.
空气弹簧具有变刚度特性，其振动频率要比钢板弹簧低得多。
Air springs have characteristics of variable stiffness, and their natural frequency are much lower than leaf springs.
通过建立钢板弹簧的曲梁模型，应用虚力原理求解位移，得到了变截面钢板弹簧刚度的几何非线性特性。
A nonlinear characteristic of taper leaf springs is presented by using the model of curved beam and the principle of virtual force.
变刚度钢板弹簧中各叶片的几何参数（片长，片厚）不仅直接影响着板簧的刚度和各片的应力分布，而且还影响着变刚度区间的大小。
The geometrical parameters of individual leaves of variable rate leaf spring affect not only the rate and the stress distribution of the spring but also the variable rate range.
由于卷绕构成弹簧的钢丝的直径沿钢丝的轴向改变，因此弹簧可以获得变刚度的特性曲线。
Because the diameter of the steel wire forming the spring by winding is changed along the axial direction of the steel wire, the spring can obtain a variable stiffness characteristic curve.
由于卷绕构成弹簧的钢丝的直径沿钢丝的轴向改变，因此弹簧可以获得变刚度的特性曲线。
Because the diameter of the steel wire forming the spring by winding is changed along the axial direction of the steel wire, the spring can obtain a variable stiffness characteristic curve.
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