 |
| |||
| ecossonda | |||
| sonda; sondador | |||
| recetor falante; recetor acústico | |||
| receptor acústico | |||
| sounders: 24 phrases in 10 subjects |
| Communications | 6 |
| Earth sciences | 1 |
| Electronics | 6 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Life sciences | 1 |
| Natural sciences | 2 |
| Physical sciences | 3 |
| Radio | 2 |
| Statistics | 1 |