induced oscillation : 37 phrases in 13 subjects |
Aerohydrodynamics | 2 |
Astronautics | 3 |
Aviation | 9 |
Aviation medicine | 1 |
Electrical engineering | 2 |
Electronics | 4 |
Energy industry | 2 |
Geography | 1 |
Mathematics | 1 |
Military | 3 |
Nautical | 2 |
Navigation | 2 |
Technology | 5 |