提供公交站点，公交线路查询，公交换乘线路，公交地图精准信息。
Provide bus stations, bus lines query, bus transfer routes, public transportation map accurate information.
其次设计了换乘算子并给出最优查询标准判断方法；
Secondly, the transfer operator is designed and the judgment method of optimum inquiry standard is given.
建立一个基于最小换乘原则的改进型公交查询系统模型。
This paper builds an improved public traffic query system model based on the principle of minimum passenger transfer.
而采用基于广度优先算法，在只考虑一到两次换乘的实际情况下，能有效的实现最优路径的查询。
But USES based on the breadth first algorithm, in only considered one to two time trades while the actual situation in, can the effective realization most superior way inquiry.
而采用基于广度优先算法，在只考虑一到两次换乘的实际情况下，能有效的实现最优路径的查询。
But USES based on the breadth first algorithm, in only considered one to two time trades while the actual situation in, can the effective realization most superior way inquiry.
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