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- only individual words found (there may be no translations for some thesaurus entries in the bilingual dictionary)

English thesaurus
air surveillance ['ɛə ,sə:'veɪl(ə)ns]
mil., logist.	The systematic observation of air space by electronic, visual or other means, primarily for the purpose of identifying and determining the movements of aircraft, friendly and enemy, in the air space under observation. (FRA)
Air Surveillance ['ɛə ,sə:'veɪl(ə)ns]
mil., abbr.	AS

air: 142 phrases in 1 subject

General

142