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 |