“hydrological return period”的概念、定义、翻译、参考文献-科学参考

单词	hydrological return period
释义	hydrological return period Encyclopedia 工学水文统计释 hydrological return period水文重现期等于及大于（或等于及小于）一定量级的水文要素出现一次的平均间隔年数。
随便看	left distributive law left distributivity left division left division algorithm left divisor left divisor of zero left domain left double-sweep left dual couple left eigenvector left element left elevation left endpoint left Engel element Leften Stavros Stavrianos left equivalent matrix left essential extension left exact contravariant functor left exact covariant functor left exact functor left exactness left exact sequence left exponent lefteye flounder left factor

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