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English thesaurus | |||
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The collection of information of intelligence interest either by visual observation from the air or through the use of airborne sensors. (FRA) |
air: 33 phrases in 6 subjects |
Aviation | 2 |
Construction | 1 |
Environment | 27 |
Microsoft | 1 |
Weapons and gunsmithing | 1 |
Welding | 1 |