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单词 navstar global positioning system
释义

WordReference Random House Unabridged Dictionary of American English © 2024
NAVSTAR Global Positioning Sys′tem  (navstär′),USA pronunciation 
  1. Aerospacea global system of U.S. navigational satellites developed to provide precise positional and velocity data and global time synchronization for air, sea, and land travel.
  • nav(igation) s(ystem using) t(ime) a(nd) r(anging)

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