中文说明：
粒子群优化BP神经网络算法，采用PSO优化神经网络的结构层个数，及隐含层的权值，相较BP神经网络，预测效果更好。
English Description：
Particle swarm optimization BP neural network algorithm uses PSO to optimize the number of structural layers of neural network and the weight of hidden layer. Compared with BP neural network, the prediction effect is better