防洪风险分析中一项基础性的工作是对洪水过程计算中的淹没范围进行模拟分析。
The fundamental work in the Flood Risk Analysis is to simulate the flood submerging range, which belongs to the computation of flood process.
溃坝模型可以模拟溃坝过程，预测溃坝洪水过程线，对防灾减灾有着重要意义。
Due to the capability for simulating dam-break and predicting flood hydrograph, a dam-break model is of tremendous importance to the disaster control and reduction.
河道两旁的分洪区能够为河流分蓄超额洪水发挥重要作用，分洪区扒口分洪后口门的展宽和刷深过程的模拟对于抗洪工作具有较为重要的现实意义。
The flood detention areas play an important role in flood-preventing project of river, because it can divert and store the excessive flood from the river.
河道两旁的分洪区能够为河流分蓄超额洪水发挥重要作用，分洪区扒口分洪后口门的展宽和刷深过程的模拟对于抗洪工作具有较为重要的现实意义。
The flood detention areas play an important role in flood-preventing project of river, because it can divert and store the excessive flood from the river.
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