|
noise- free : 26 phrases in 16 subjects |
| Acoustics | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Communications | 2 |
| Electronics | 5 |
| Environment | 1 |
| Geophysics | 2 |
| Makarov | 1 |
| Mathematics | 2 |
| Mechanics | 1 |
| Military | 1 |
| Nanotechnology | 1 |
| Quantum electronics | 2 |
| Radioengineering | 1 |
| Technology | 2 |
| Telecommunications | 2 |