航班查询系统,可以连接实现443与350端口的应用,是不可多得的范例,Flight Inquiry System, you can connect the port to achieve 443 and 350 applications, is a rare example of

GPS解算程序，通过GPS采集的原始数据能够解算出来当地的经纬度-GPS Solution program, raw data collected by GPS can calculate the latitude and longitude of the ground out