BeiJing bj 2 12319028.78493388 13600000.78493388 6016880.493254471 4820848.493254471 12319028.78493388 6016880.493254471 ShangHai sh 4 12459012.0 14605892.223 5750000.0 3648797.493254471 12459012.0 5750000.0 GuangZhou gz 1 12499237.9009 14728037.9009 4719695.003826 2515471.003 12499237.9009 4719695.003826 ShenZhen sz 14 12399237.9009 14728037.9009 4719695.003826 2487031.080 12459237.9009 4719695.003826