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English thesaurus
Air/Ground communication
Apollo-Soyuz, abbr.	A/G
Air-Ground communication [ɛə ˈgraund kə,mju:nɪ'keɪʃ(ə)n]
Apollo-Soyuz, abbr.	AG
air-ground communication [ɛə ˈgraund kə,mju:nɪ'keɪʃ(ə)n]
avia., Canada	Two-way communication between aircraft and stations or locations on the surface of the earth

Air: 33 phrases in 6 subjects

Aviation	2
Construction	1
Environment	27
Microsoft	1
Weapons and gunsmithing	1
Welding	1