缩写	全称	中文释义
NAVSTAR	Navigational System Tracking and Range	导航系统跟踪和测距
NAVSTAR	Navigation Signal Timing and Ranging	导航信号定时和测距
NAVSTAR	NAVigational STAR	导航星
NAVSTAR	Navigation Satellite Timing and Ranging System	导航卫星定时测距系统