river bed deformation

例句：

1. 1.The river bed deformation is a major concern for flood control.
   河流床变形是洪水控制的主要关注点。
2. 2.The study of river bed deformation has important implications for understanding the behavior of water systems.
   研究河流床变形对理解水系统的行为具有重要意义。
3. 3. The deformation of the river bed caused by the construction of the dam was unexpected.
   大坝的建设导致河流床变形，这是出乎意料的。