 |
|
frequency-selective : 81 phrases in 23 subjects |
| Acoustics | 1 |
| Antennas and waveguides | 2 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Communications | 2 |
| Electrical engineering | 1 |
| Electronics | 2 |
| High frequency electronics | 2 |
| Lasers | 1 |
| Makarov | 1 |
| Mass media | 3 |
| Mathematics | 1 |
| Measuring instruments | 1 |
| Metrology | 1 |
| Military | 4 |
| Missiles | 1 |
| Nanotechnology | 2 |
| Quantum electronics | 8 |
| Radioengineering | 10 |
| Security systems | 1 |
| Space | 2 |
| Technology | 25 |
| Telecommunications | 8 |