| 单词 |
navar |
| 释义 |
navar
navar (ˈnævɑː) n (Navigation) a system of air navigation in which a ground radar station relays signals to each aircraft indicating the relative positions of neighbouring aircraft[C20: from nav(igational and traffic control rad)ar]navar
navar[′nā‚vär] (navigation) A coordinated series of radar air navigation and traffic-control aids utilizing transmissions at wavelengths of 10 and 60 centimeters to provide in an aircraft the distance and bearing from a given point, along with a display of other aircraft in the vicinity and commands from the ground; the system also provides on the ground a display of all aircraft in the vicinity, with their altitudes, identities, and means for transmitting certain commands. Derived from navigation and ranging. |
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