Flood frequency (return period) is referring to recurrence probability of flood in certain period.

洪水频率(或重现期)是指一定时期内某种洪水出现的机率。

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Flood frequency (return period) is referring to recurrence probability of flood in certain period.

洪水频率(或重现期)是指一定时期内某种洪水出现的机率。

youdao