gps navigation短语⁷⁷⁰⁸⁰ 基本例句 GPS导航 By making this a free product, Google is disrupting the mapping and GPS navigation market. 通过免费发布该产品， Google颠覆了整个地图和导航市场。 yeeyan Hotel dispatchers, traffic lights, electronic billboards, GPS navigation devices, police and taxis will be networked to speed visitors to and from the Olympic sites. 为加速旅客在赛场间流动，酒店调配、交通灯、电子公告牌、全球定位装置、警察以及出租车都用网络连接起来。 ecocn