 |
| |||
| whistlers; whistling atmospherics | |||
| |||
| whistle | |||
| cheeping; chirping | |||
| hiss | |||
| whistler | |||
| hissing | |||
| whine | |||
| |||
| birdies in telecommunications; whistling | |||
|
sifflements : 20 a las frases, 5 temas |
| Comunicaciones | 2 |
| Electrónica | 12 |
| Fisica de altas energías | 1 |
| General | 1 |
| Medicina | 4 |