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卫星导航系统可以在任何时间、任何地点为地面上的用户提供准确的导航定位信息,具有巨大的经济和社会效益,拥有自己独立的卫星导航系统也是一个国家综合国力强弱的
Satellite navigation system can provide accurate navigation and positioning information to users on the ground at any time and any place, has great economic and social benefits, and has its own independent satellite navigation system. It is also a national comprehensive national strength