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论述了全球卫星导航系统（ＧＮＳＳ）将取代所有传统的陆基无线电导航系统的背景和目标以及当前的策略、在实施早期应用的同时应采取必要的增强措施和安全保障
It states that the global satellite navigation system (GNSS) will replace the background and objectives of all traditional land-based radionavigation systems and the current strategy, and should take the necessary enhancements and security assurances while implementing early applications