 |
| синусоидальный сигнал: 68 phrases in 14 subjects |
| Automated equipment | 7 |
| Automobiles | 1 |
| Aviation | 1 |
| Electrical engineering | 4 |
| Electronics | 12 |
| Makarov | 1 |
| Mass media | 22 |
| Mechanics | 1 |
| Navigation | 1 |
| Security systems | 1 |
| Technology | 7 |
| Telecommunications | 5 |
| Television | 2 |
| Радиоактивное излучение | 3 |