 |
| |||
| echo sounding instrument | |||
| echometer | |||
| acoustic depth finder; sonic depth finder | |||
| acoustic sounder; echo depth finder; echo sounder; fathometer | |||
| depth recorder | |||
| sondeur acoustique: 4 短语, 3 学科 |
| 声学 | 2 |
| 渔业（渔业） | 1 |
| 生命科学 | 1 |
|
| |||
| echo sounding instrument | |||
| echometer | |||
| acoustic depth finder; sonic depth finder | |||
| acoustic sounder; echo depth finder; echo sounder; fathometer | |||
| depth recorder | |||
| sondeur acoustique: 4 短语, 3 学科 |
| 声学 | 2 |
| 渔业（渔业） | 1 |
| 生命科学 | 1 |