 |
15 kHz | audiofrekvens
| audiofrekvens | |
| commun. tech. | audiofréquence; fréquence acoustique; fréquence audible; fréquence audio |
| 15: 24 phrases in 9 subjects |
| Communications | 3 |
| Electronics | 1 |
| Environment | 1 |
| General | 6 |
| Information technology | 2 |
| Medical | 2 |
| Metallurgy | 1 |
| Pharmacy and pharmacology | 1 |
| Statistics | 7 |