“transit satellite navigation system”的概念、定义、翻译、参考文献-科学参考

单词	transit satellite navigation system
释义	transit satellite navigation system Encyclopedia 工学“子午仪”卫星导航系统释 transit satellite navigation system子午仪卫星导航系统美国海军研制、开发和管理的第一代卫星导航定位系统。又称海军导航卫星系统（navy navigation satellite system，NNSS）。
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