global positioning system
柯林斯词典
1. N-COUNT A global positioning system is a system that uses signals from satellites to find out the position of an object. The abbreviation is also used. 全球定位系统; 缩写为GPS
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1. N-COUNT A global positioning system is a system that uses signals from satellites to find out the position of an object. The abbreviation is also used. 全球定位系统; 缩写为GPS