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我国在水文计算中广泛应用适线法估计频率曲线参数。本文建议了一种模糊优化适线法。这一方法能较好地考虑经验点据的不确定性，与传统方法相比具有明显的特点。
In our hydrological calculation, we widely use the fitting method to estimate the frequency curve parameters. This paper proposes a fuzzy optimization method. This method can better consider the uncertainty of empirical data, which has obvious characteristics compared with traditional methods.