说明：  在程序的文件中存入了下列城市的信息，以及两个城市之间的距离，只要根据程序提示输入下列城市的汉语拼音便可实现相应的操作。 乌鲁木齐,呼和浩特,北京,天津,大连,沈阳,长春,哈尔滨,西宁,兰州,西安,郑州,徐州,上海,成都,武汉,昆明,贵阳,株州,南昌,福州,柳州,广州,南宁,深圳
(In the procedures document has been deposited in the following cities, as well as the distance between two cities, as long as the procedure prompted, enter the following cities will be able to realize the corresponding Pinyin operation. Urumqi, Hohhot, Beijing, Tianjin, Dalian, Shenyang, Changchun, Harbin, Xining, Lanzhou, Xi an, Zhengzhou, Xuzhou, Shanghai, Chengdu, Wuhan, Kunming, Guiyang, Zhuzhou, Nanchang, Fuzhou, Liuzhou, Guangzhou, Nanning, Shenzhen)