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Multivariable lagged regressive model (MLR).ReferenceYang Qiuming. Study of the method of the extended-range forecast for the low frequency rainfall over the lower reaches of the Yangtze Riverin summer based on the 20-30 day oscillation. Acta Meteorologica Sinica, 2014, 72(3): 494-507.Yang Qiuming. Multivariable lagged regressiv…