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在水文频率分析计算中,其变差系数C_v值的计算十分麻烦,工作量大。为了提高工效、减轻劳动强度,笔者提出一种简便的快速图算法。变差系数C_v值的计算公式是:
In the hydrological frequency analysis and calculation, the calculation of the coefficient of variation C_v is very troublesome and requires a lot of work. In order to improve ergonomics and reduce labor intensity, the author proposes a simple and quick graph algorithm. The coefficient of variation C_v is calculated as: