1. a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver
行业词典
计算机： = general problem solver,通用问题求解程序，通用解题程序; = General Program Solution, 通用程序解; = General Programming Subsystem, 通用程序设计子系统; = General Purpose Simulation, 通用模拟(法); = General Purpose Simulator, 通用模拟程序；