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。
Discussed the dynamic methods of managing the navigation database-i. e., the expanding and editing of the navigation database by the management module of our system.
提出了动态管理导航数据库的思路——即利用导航系统的管理模块对导航数据库内容进行扩充和编辑。
Discussed the dynamic methods of managing the navigation database-i. e., the expanding and editing of the navigation database by the management module of our system.
提出了动态管理导航数据库的思路——即利用导航系统的管理模块对导航数据库内容进行扩充和编辑。
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