The paper gives the basic formulas and discusses on overcoming the restricting conditions in multi-solution method and the prediction method of water breakthrough time, well Zhong-63 in Xu-2 gas re...
文中给出基本公式，讨论克服多解性的约束条件以及见水时间预测方法，并以中坝须二气藏中63井为计算实例。
This paper inserts grey system, makes use of finite time series, follows GM (1, 1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.
本文引入灰色系统理论，利用有限的时间序列，按照GM(1,1)建模方法，建立起黑龙江省污水总量长期预测模型。
The paper establishes the model for the urban life-water quantity prediction by means of combining neural network with the partial least squares method.
将偏最小二乘回归与神经网络耦合，建立了城市生活用水量预测模型。
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