| |||
частота шагов |
step frequency : 17 phrases in 11 subjects |
Antennas and waveguides | 2 |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 1 |
Energy industry | 1 |
Makarov | 1 |
Measuring instruments | 1 |
Radio | 1 |
Radioengineering | 2 |
Sports | 1 |
Technology | 5 |