多线程显示两地时间！例如显示北京时间和伦敦时间，可以单个显示，也可以同时显示！-Multithread time shows the two places! For example, showed that Beijing and London time, to a single display can also be displayed at the same time!

北京地理信息公众查询系统 电子地图和媒体数据哪位大虾有共享一下(Beijing geographic information query system of electronic map and public media which prawn to data sharing)