 |
| уровень шумов: 149 phrases in 31 subjects |
| Acoustics | 3 |
| Aerodynamics | 2 |
| Astronomy | 2 |
| Automated equipment | 1 |
| Automobiles | 11 |
| Aviation | 25 |
| Cinema equipment | 19 |
| Computers | 6 |
| Construction | 8 |
| Ecology | 1 |
| Electronics | 5 |
| Environment | 6 |
| General | 3 |
| Hydraulics | 2 |
| Medical | 3 |
| Microelectronics | 3 |
| Military | 3 |
| Missiles | 1 |
| Natural resourses and wildlife conservation | 6 |
| Nautical | 1 |
| Optics branch of physics | 1 |
| Quantum electronics | 7 |
| Radio | 10 |
| Rail transport | 3 |
| Security systems | 2 |
| Shipbuilding | 3 |
| Sound recording | 4 |
| Technology | 5 |
| Telecommunications | 1 |
| Thermal engineering | 1 |
| Wood processing | 1 |