On the other hand, major systems are designed for severe rain storms with a design return period of 50 to 100 years.
另一方面，大型系统用于应对严重的暴雨，设计应对50到100年一遇的暴雨。
The analytical expressions of the optimal design intensity and return period are deduced by using the decision-making m…
使用该决策方法导出了最佳设计烈度和重现周期的解析表达式，从而得出了对抗震设计具有重要意义的结论。
This paper also discusses the influence of typhoon wave patterns on the coastal engineering design parameters such as wave height, return period, etc.
文中还讨论了台风波浪波型对海岸工程建设中的设计波高、周期等要素取值的影响。
The hydrologic design values of specific design return period or frequency are random variables having certain distribution pattern, so there are some uncertainty in it.
指定设计重现期或频率的水文设计值为随机变数，有一定的分布规律，表明它有相应的不确定性。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
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