针对实际布线中可能遇到的一些情况，分析其合理性，并给出一些比较优化的走线策略。主要从直角走线，差分走线，蛇形线等三个方面来阐述-For the actual wiring that may be encountered in some cases, analyze its rationality, and gives some strategies to optimize alignment. Mainly from the right-angle alignment, differential