GPS

英[ˌdʒiːpiː'es] 美[ˌdʒiːpiː'es]
  • abbr.全球定位系统(=GlobalPositioningSystem)
  • global adj.全球性的;总的;球状的
  • holder n.持有者;支持物
Noun:
  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