space navigation system

基本解释

The city district space navigation system is closely relevant to people's daily life, provides convenient guides for the traffic, and is a significant part of a city's image.
城市街区空间引导系统与人们的日常生活息息相关，为人们的出行提供了便捷的标识引导，同时它也是城市形象的重要组成部分之一。
GPS if a new generation space satellite navigate navigation system, main purpose is to offer real-time , all-weather and global navigation service for land , sea , empty three major fields.
GPS是新一代空间卫星导航定位系统，其主要目的是为陆、海、空三大领域提供实时、全天候和全球性的导航服务；
Two clusters of formation flying satellites with a relative angle on geosynchronous earth orbit were used to construct a space-based continuous navigation system for deep space exploration.
介绍了目前各国应用的多种地基和天基空间目标探测与识别系统，并对各系统的性能进行了详细的分析和总结。