The probabilities of drought and flood emergence are roughly equal, and the probability of sub-flood is lager than the sub-drought significantly and multiyear return period is shorter than the latter.是什么意思_The probabilities of drought and flood emergence are roughly equal, and the probability of sub-flood is lager than the sub-drought significantly and multiyear return period is shorter than the latter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句