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通过对聚苯乙烯泡沫材料进行不同形变速率的压缩实验，经过数学处理得到不同形变速率条件下材料的缓冲系数──最大应力曲线，找出压缩速度对材料缓冲性能影响的变化规律，可用以指导实际应用。
By compressing polystyrene foam at different deformation rates, the cushioning coefficient of material under different deformation rates - the maximum stress curve is obtained through mathematical processing to find out the variation law of the influence of compression speed on the cushioning properties of materials, which can be used to guide Practical application.