使用人工神经网络，将样本输入网络后，进行预测。绘制预报曲线，地上管网急修作业类型-The use of artificial neural networks, the sample input network, to predict. Prediction curve drawn, the type of ground pipeline emergency repair work

支持向量机(SVM)——分类预测，包括核函数调参，不平衡数据问题，特征降维，网格搜索，管道机制，学习曲线，混淆矩阵，AUC曲线等(Support vector machine (SVM) - classification prediction, including kernel function parameter adjustment, unbalanced data problem, feature dimensionality reduction, grid search, pipelin