 |
| прямоугольный сигнал: 35 phrases in 16 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Aviation | 1 |
| Electrical engineering | 1 |
| Electronics | 4 |
| Information technology | 2 |
| Makarov | 2 |
| Mass media | 8 |
| Metrology | 1 |
| Microelectronics | 1 |
| Quantum electronics | 1 |
| Radiolocation | 1 |
| Security systems | 1 |
| Technology | 2 |
| Telecommunications | 5 |
| Television | 2 |