 |
| |||
| средняя периодичность | |||
| средняя частота | |||
| среднее значение частоты | |||
| average frequency: 29 phrases in 11 subjects |
| Antennas and waveguides | 2 |
| Banking | 1 |
| Electrical engineering | 1 |
| Energy industry | 14 |
| Energy system | 3 |
| Management | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Programming | 2 |
| Technology | 1 |
| Transport | 2 |