A fractal prediction model of sliding friction forces was derived based on the fractal geometry theory. The validity of the model was verified theoretically.
基于分形几何理论，推导出了滑动摩擦力分形预测模型，并从理论上对该模型的正确性进行了分析。
The validity of these data is sufficiently verified by the population prediction for the past 25 years the yearly forecast accuracy of the total population being within 1%.
其有效性通过过去25年人口预测得到了验证，其中每年总人口的预测精度基本上在1%以内。
The feasibility and validity of this model in municipal solid waste output prediction is tested by the practical example.
实例验证了该模型用于城市垃圾量预测的可行性和有效性。
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