| 释义 |
navaid|ˈnæveɪd|
[f. navigational a. + aid n.]
Any navigational device in an aircraft, ship, etc.
1956S. Rosenberg Systems Analysis Approach to Choice of Long Distance Navaid (Rome Air Devel. Technical Note 56–279, U.S. Govt. Res. Rep. AD 97714, Aug.) 1 Increased interest has been displayed recently on the need for a single, standard long-distance navigational aid (navaid) capable of meeting the latest..operational objectives. 1960Electronics Weekly 21 Sept. 2 (heading) Ocean-based navaid to be tested by US. 1971Electronics & Communications Abstr. XI. 47 An analytical study is presented of a new navaid system designed to assist the navigation of aircraft in remote and low traffic areas by facilitating homing and orbiting on ground beacons. 1971Flying Apr. s3/2 When ranked against the..expenditures proposed for terminal and en-route traffic control (not counting navaids and landing aids), the FSS money looks like a couple of drops they might spill while pouring. |