中文说明：利用bp神经网络建立汽油样本值及其辛烷值之间的数学模型，并对数学模型的性能进行评估。经过训练后得出具体的预测结果，并显示出详细信息。
English Description：
The mathematical model between gasoline sample value and octane number is established by BP neural network, and the performance of the mathematical model is evaluated. After training, the specific prediction results are obtained and the detailed information is displayed.