新的卫星系统能让车辆对自身位置的定位精确到一英寸以内，它能帮助汽车“死死盯住”数字化地图的车道。
New satellites will allow cars to pinpoint their position within an inch.
作为传统电子侦察设备的重要组成部分，有源定位系统由于自身的局限性已经不能满足现代战争的要求。
As an important part of the traditional electronic reconnaissance equipments, active locating system has not met the requirements of modern war because of its own drawbacks.
飞行器会一直滑行直到它自身的全球定位系统告诉它已经滑行很远。
The aircraft drifts until its onboard global positioning system tells the craft it has floated too far.
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