The multiple fractal model can describe and prognosticate the wear particles fragmentizing and distribution more reasonably and effectively than traditional models based on statistics.

• 该模型对磨屑破碎过程和分布的描述和预测基本不受测量仪器分辨率和取样长度的影响，因而比传统基于统计分析的模型更为合理和有效。