by analyzing risk sources and those uncertain factors affecting the risk, the diversion risk is defined as the probability of the maximum discharge after being adjusted and held higher than the maximum design flood 通過對(duì)導(dǎo)流風(fēng)險(xiǎn)來源和引起導(dǎo)流風(fēng)險(xiǎn)的各種不確定性因素的論述和分析,把施工導(dǎo)流風(fēng)險(xiǎn)定義為天然來(洪)水經(jīng)過調(diào)蓄后,導(dǎo)流泄水建筑物的最大泄水流量超過其設(shè)計(jì)最大泄水能力的概率。