vertical-deflection : 65 phrases in 19 subjects |
Acoustics | 1 |
Anti-air artillery | 2 |
Astronautics | 2 |
Electronics | 8 |
Geophysics | 2 |
Gold mining | 1 |
Gyroscopes | 1 |
Household appliances | 1 |
Makarov | 1 |
Mass media | 4 |
Military | 5 |
Nanotechnology | 2 |
Nautical | 1 |
Physics | 3 |
Radioengineering | 11 |
Technology | 14 |
Telecommunications | 3 |
Television | 2 |
Transport | 1 |