论文部分内容阅读
Taking the Second Songhua River which lies in the northeast of China as a study area, this paper firstly designs the improved BP neural network water evaluating and forecasting model of which 13 water evaluating items are selected as nodes in input layer;
Taking the Second Songhua River which lies in the northeast of China as a study area, this paper next designs the improved BP neural network water evaluation and forecasting model of which 13 are water evaluating items are selected as nodes in input layer;