 |
| |||
| audiofrequentie f; gehoorfrequentie f; geluidsfrequentie f; hoorbare frequentie; laagfrequentie f; toonfrequentie f | |||
| lage frequente | |||
| audiofrecuencia: 94 phrases in 6 subjects |
| Communications | 25 |
| Earth sciences | 4 |
| Electronics | 41 |
| Information technology | 21 |
| Measuring instruments | 2 |
| Physics | 1 |