global positioning system (GPS) - a system by which signals are sent from satellites to a special device, used to show the position of a person or thing on the surface of the earth very accurately - จีพีเอส (ระบบกำหนดตำแหน่งบนโลก)
global positioning system (GPS) - a system by which signals are sent from satellites to a special device, used to show the position of a person or thing on the surface of the earth very accurately - จีพีเอส (ระบบกำหนดตำแหน่งบนโลก)