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slope: 165 phrases in 22 subjects |
Aerodynamics | 1 |
Aerohydrodynamics | 1 |
Airports and air traffic control | 5 |
Astronautics | 2 |
Aviation | 53 |
Chemistry | 2 |
Communications | 1 |
Construction | 10 |
Ecology | 9 |
Environment | 1 |
General | 12 |
Mathematics | 2 |
Metallurgy | 1 |
Meteorology | 3 |
Military | 32 |
Nautical | 1 |
Navigation | 6 |
Obsolete / dated | 1 |
Oil and gas | 9 |
Rail transport | 2 |
Technology | 10 |
Transport | 1 |