digital terrain of river channel

• 河道数字地形

digital terrain of river channel的用法和样例：

例句

1. This method is applied to generate the digital topography of river reach from Huayuankou to Lijin in the Lower Yellow River.
   以黄河下游花园口至利津河段为例详述了黄河下游河道数字地形生成的原理及实现。