Existence, approximation and stability of integrable minimum positive solutions for the above equation are gained.

并得到了上述方程可积极小正解的存在性 、 逼近性、稳定性.

The average velocity v calculated from above equation is for the cross-section area normal to the direction of flow.

上式的平均渗透速度为针对垂直于流动方向的断面的速度，而通过土的流动是发生在土内部相互连接的孔隙间。

The above equation indicates that when the centrifugal force is taken into consideration, the equivalent moment of turning resistance is reduced.

上述的相等指出当离心的力量被考虑的时候，转抵抗的相等片刻被减少。