并在此基础上，利用射流扩散理论导出平衡冲刷坑堆丘位置的预报公式。
Based on the theory of jet diffusion the formula for predicting the position of dune in equilibrium scour pit are deduced theoretically.
并在此基础上，利用射流扩散理论导出平衡冲刷坑堆丘位置的预报公式。
Based on the theory of jet diffusion the formula for predicting the position of dune in equilibrium scour pit are deduced theoretically.
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