单词：incipient sediment motion
incipient sediment motion的用法和样例：
例句
- When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs.当水流速度小于相应的起始运动时，将无泥沙运动。
- The physical pattern of sediment exchange and bed coarsening simulation was put forward, and long-term data on hydraulic-dynamics and sediment motions were modeled.提出了泥沙交换和河床粗化计算模拟的物理图案，对长系列水动力和泥沙运动进行了模化处理。
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