Give a blue print on city public traffic protract and query, which includes city public traffic protract arithmetic, querying shortcut arithmetic and magnifying local public traffic map arithmetic.

给出一个城市电子公交地图绘制和查询系统的解决方案，该方案涵盖了城市公交线路的绘制算法、最短路径查询算法、对局部公交地图的放大算法。

youdao

Give a blue print on city public traffic protract and query, which includes city public traffic protract arithmetic, querying shortcut arithmetic and magnifying local public traffic map arithmetic.

给出一个城市电子公交地图绘制和查询系统的解决方案，该方案涵盖了城市公交线路的绘制算法、最短路径查询算法、对局部公交地图的放大算法。

youdao