用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据，获得动态导航的便利。
The user can rapidly download the data of electronic map relevant to the course this time through data service end of map and get the convenience of dynamic navigation.
用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据，获得动态导航的便利。
The user can rapidly download the data of electronic map relevant to the course this time through data service end of map and get the convenience of dynamic navigation.
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