The hydraulic properties and the course of sediment movement in settling basins of straight-line type with positive or reversegradient slope are deseribed.
本文从理论上分析了平流直线型顺坡及逆坡沉沙池的水流特性及泥沙运动过程。
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The revision of the image gradient is to revolve it to the reverse direction of the normal vector's projection on the image plane.