通过对试验数据的回归分析，得到了细沟过流湿周同流量及坡度的经验关系。
According to the results, an empirical relationship of the rill wetted perimeter with the flow discharge and the slope gradient is obtained by the regression analysis.
用非线性回归方法得出了水样不同处理方式下总磷间的经验关系式，并进行了验证。
The empirical relationship of the differences was obtained using nonlinear regression method and verified with the determined data.
通过实验，得到供气压力与气膜刚度之间的拟合曲线，并用回归分析法，建立两者函数关系的经验公式。
The fitted curves for air supply pressure to the stiffness of gas film obtained from tests are plotted, and empirical expressions for these curves worked out by regressive analysis are given.
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