 |
| гармоническая составляющая: 22 phrases in 17 subjects |
| Acoustics | 1 |
| Antennas and waveguides | 1 |
| Automobiles | 1 |
| Construction | 2 |
| Electrical engineering | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| GOST | 1 |
| Hydrology | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Radiolocation | 1 |
| Rail transport | 1 |
| Solar power | 1 |
| Technology | 4 |
| Telecommunications | 1 |