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单词 air surveillance
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air surveillance


air surveillance

The systematic observation of airspace by electronic, visual or other means, primarily for the purpose of identifying and determining the movements of aircraft and missiles, friendly and enemy, in the airspace under observation. See also satellite and missile surveillance; surveillance.

air surveillance


air surveillance

[′er sər′vā·ləns] (engineering) Systematic observation of the airspace by visual, electronic, or other means, primarily for identifying all aircraft in that airspace, and determining their movements.

air surveillance

The systematic observation of airspace by electronic, visual, or other means, primarily for the purpose of identifying and determining the movement of aircraft and missiles, friendly or enemy, in the airspace under observation.
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