摘要
从实际应用的角度出发通过使用GPS全球定位系统进行哈尔滨市7381地下人防工程隧道测绘,表明GPS具有高精度、全天候、高效率、多功能、操作简便、应用广泛等特点。
Discussion is made on the characteristics of GPS, such as the precision, all-weather, efficiency, multi-function, user-friendly, which is applied in tunnel mapping for Harbin subway engineering 7381.
出处
《交通科技与经济》
2003年第3期48-49,共2页
Technology & Economy in Areas of Communications
