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通过对北方某矿区水文地质条件的分析，特别是对底板承压水多年水位变化规律及其控制因素的分析，建立了预测地下水位变化趋势的混合随机序列模型，并对所建模型进行了考核，分析了残差序列的随机性，通过对模型的预报应用，取得了良好的效果。
Based on the analysis of the hydrogeological conditions in a mining area in the north of China, especially the analysis of the law of water level change and the controlling factors of pressure-bearing water in the bottom for many years, a hybrid random sequence model for predicting the variation trend of groundwater level was established and the model was evaluated , Analyzed the randomness of the residual sequence, and achieved good results through forecasting the model.