Based on the grey theory, the principle and processes of grey undee forecast were introduced.Combined with the fact of Shangcheng County, the annual rainfall undee forecast model was built.
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摘要以灰色理论为基础,介绍了灰色波形预测的原理和步骤,并结合实际,建立了商城县年降雨量波形预测模型,对所建模型进行误差检验,结果表明该预测模型具有较好的可行性和较高的精度。
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