It marks the establishment of a basic system for the navigation and positioning network.
它标志着北斗区域卫星导航定位的基本系统建设完成。
The accurate positioning is the prerequisite and foundation of a vehicle navigation system.
在车载导航系统中，相对准确地定位是实现导航的基础和前提。
The positioning and navigation system is the base of mobile robot.
导航是移动机器人的基础，定位是导航的关键。
The positioning and navigation system is the base of mobile robot.
导航是移动机器人的基础，定位是导航的关键。
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