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air-air
transp.	air-to-air

air-air: 5247 phrases in 119 subjects

Accumulators	3
Agriculture	232
Analytical chemistry	2
Animal husbandry	11
Antennas and waveguides	1
Astronautics	5
Astronomy	12
Automated equipment	4
Aviation	44
Avuncular	3
Biology	11
Biotechnology	4
Botany	2
Brewery	1
British usage, not spelling	2
Chemistry	203
Cinematography	4
Climatology	3
Coal	48
Commerce	5
Communications	59
Computers	4
Construction	310
Criminal law	2
Cultural studies	7
Dyes	1
Earth sciences	178
Economy	6
Education	2
Electric motors	3
Electric traction	6
Electricity generation	1
Electronics	57
Employment	1
Energy industry	118
Engineering	1
Environment	275
Figurative	1
Finances	14
Fish farming pisciculture	17
Food industry	13
Forestry	19
General	615
Geography	2
Government, administration and public services	1
Health care	70
High energy physics	32
Hobbies and pastimes	32
Horticulture	2
Immigration and citizenship	2
Industry	108
Informal	15
Information technology	30
Insurance	2
International trade	1
Labor law	16
Labor organization	1
Laboratory equipment	3
Law	13
Life sciences	131
Lighting other than cinema	1
Literature	6
Marketing	6
Materials science	66
Mathematics	4
Measuring instruments	17
Mechanic engineering	254
Mechanics	1
Medical	117
Metallurgy	246
Meteorology	2
Microsoft	2
Military	17
Mineral products	9
Municipal planning	165
Name of organization	1
Natural resourses and wildlife conservation	208
Natural sciences	39
Nuclear physics	119
Obsolete / dated	1
Oil / petroleum	3
Packaging	63
Patents	23
Pejorative	3
Pest control	5
Pharmacy and pharmacology	2
Phonology	25
Physical sciences	12
Physics	1
Plastics	1
Politics	11
Power system protection	1
Proper and figurative	2
Pulp and paper industry	3
Radiology	1
Religion	2
Remote sensing	2
Research and development	2
Resins	1
Scientific	5
Scuba diving	2
Social science	1
Soil science	2
Statistics	10
Taxes	1
Technology	206
Textile industry	43
Tobacco industry	3
Trade unions	1
Transport	655
United Nations	24
Ventilation	8
Water resources	2
Welding	3
Wood processing	3
Work flow	2
Дозиметрия	8
Радиоактивное излучение	50
Радиография	3