| |||
| минимальная частота | |||
|
minimum frequency : 12 phrases in 8 subjects |
| Acoustics | 1 |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Energy industry | 1 |
| Geophysics | 2 |
| Military | 2 |
| Technology | 2 |
| Telecommunications | 2 |
| |||
| минимальная частота | |||
|
minimum frequency : 12 phrases in 8 subjects |
| Acoustics | 1 |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Energy industry | 1 |
| Geophysics | 2 |
| Military | 2 |
| Technology | 2 |
| Telecommunications | 2 |