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推演单自由度产品包装系统的双线性动力学方程．应用数值方法，求得矩形波冲击时双线性包装系统的产品损坏边界曲线，讨论双线性参数对损坏边界的影响。
Deriving the bilinear kinetic equation of a single degree of freedom product packaging system. The numerical method is applied to obtain the product damage boundary curve of the bilinear packaging system under the impact of the rectangular wave and the influence of bilinear parameters on the damage boundary is discussed.