通过BP神经网络对某地交通流量进行预测。建立一个基本BP神经网络，输入数据通过学习让其可以根据前一时刻的输入进行下一时刻输出的预测。(A BP neural network is used to predict traffic flow in a certain place. A basic BP neural network is built, and input data can be predicted by the input at the next moment through learning.)