 |
| |||
| audiofrecuencia f (lexicographer) | |||
| frecuencia vocal; frecuencia musical | |||
| frecuencia acústica; frecuencia audible | |||
| frecuencia sonora | |||
| звуковая частота: 26 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Electronics | 10 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Technology | 12 |