中文说明：BP神经网络进行非线性拟合，进行系统建模。BP神经网络是一个黑箱子，通过数据建立一个空间映射关系。可以作为神经网络预测
English Description：
BP neural network is used for nonlinear fitting and system modeling. BP neural network is a black box, through the data to establish a spatial mapping relationship. It can be used as neural network prediction