详细叙述了电子地图的作用、获取以及导航数据库的设计与更新技术。
The function and acquirement of E-MAP, and the design and update technique of navigation database are also put forward in detail.
详细叙述了电子地图的作用、获取以及导航数据库的设计与更新技术。
The function and acquirement of E-MAP, and the design and update technique of navigation database are also put forward in detail.
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