单词	navaid
释义	navaid /ˈnaveɪd / noun A navigational device in an aircraft, ship, or other vehicle.I haven't owned an airplane with a navaid in it for over 30 years now.... The second scenario assumes that all conventional navaids are still operating but that 80 percent of aircraft will be GPS equipped. The defining GPS waypoints have satellite-derived coordinates that are co-located with the ground navaids for that approach. Origin 1950s: from navigational aid.
随便看	intermittently intermix intermixable intermixture intermodal intermolecular Intermontane Region Intermountain Region in terms of (or in —— terms) intern internal Internal Affairs internal angle internal audit internal auditing internal auditor internal clock internal combustion internal combustion engine internal contact internal conversion internal displacement internal ear internal energy internal evidence

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