剑桥词典abbreviation for global positioning system : a system that can show the exact position of a person or thing by using signals from satellites (= objects in space that send signals to earth ) 全球衛星定位系統（一種結郃衛星及通訊發展的技術，利用導航衛星進行測時和測距，global positioning system的縮寫） 返回 GPS