предельная частота: 62 phrases in 16 subjects |
Antennas and waveguides | 6 |
Astronautics | 1 |
Astronomy | 1 |
Aviation | 1 |
Communications | 2 |
Electrical engineering | 3 |
Electronics | 9 |
Information technology | 3 |
Makarov | 5 |
Mass media | 5 |
Nautical | 8 |
Oil / petroleum | 1 |
Programming | 2 |
Radio | 2 |
Technology | 11 |
Telecommunications | 2 |