车次查询－输入要查询的车次既可查询车次所有的停靠站 站点查询－输入一个站点，就可以查询出经过该站点的所有公交车 站站查询－输入起点和目的站，就可以查询出经过这两点的直达或换乘建议-trips inquiry-to check the importation of the trips can inquiries trips all stops site inquiries-importation of a Site , can find out the site after all bus

了解服务器的内部结构，对LOCK有一个 更高层次的认识。 建议有3年C++编程的朋友参考。-understanding of the internal structure of the server, right LOCK have a higher level of awareness. Proposal 3 years C programming reference to a friend.