 |
| |||
| echo sounder; sounder | |||
| acoustic sounder; echo depth finder; fathometer | |||
| echo-sounder; echosounding equipment | |||
| sonic depth finder | |||
| acoustic depth finder | |||
|
ecosonda : 8 do fraz, 4 tematyki |
| Akustyka | 2 |
| Astronomia | 1 |
| Meteorologia | 2 |
| Organizacja narodów zjednoczonych | 3 |