sediment-moving incipient velocity

例句：

1. 1. The study of sedimentary rocks is crucial for understanding the geological history of Earth.
   研究沉积岩对于理解地球的地质历史至关重要。
2. 2. The initial velocity of sediment movement is a critical factor influencing the formation of sedimentary basins.
   沉积物运动的初始速度是影响沉积盆地形成的关键因素。
3. 3. In the early stages of sedimentation, the velocity of sediment movement is relatively low.
   在沉积初期，沉积物运动的速度相对较低。