程序利用外接access数据库能计算图的起到到终点的最小时间路径规划，能计算出的路径和时间花费-Map using an external database access computing play to the end of the minimum time path planning algorithm, to calculate the path and time spent

大数据处理利器 世界目前性能最快的map和完美哈希算法 -Large data processing tool, the performance of the world s fastest map and perfect hash algorithm