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1·Fractal theory is introduced to analysis of joint net distribution and joint roughness curve.

本文用分形理论，对节理网络分布和粗糙度曲线进行分形分析。

2·On the basis of freeboard phenomenon in curve way and the improvement of curve flow velocity, this paper gets a useful calculating method of bed roughness.

本文基于弯道超高现象以及弯道流速计算的改进，得出了一种较为实用的泥石流沟床糙率计算方法。

3·The shape of the curve would vary with liquid velocity, viscosity, pipe size, and pipe surface roughness.

曲线形状随液体速度、粘度、管子直径和管壁粗糙度而变化。