| |||
| диапазон записи глубин (эхолотом) | |||
|
recorder range : 8 phrases in 5 subjects |
| Acoustics | 1 |
| Artillery | 3 |
| Military | 1 |
| Nautical | 2 |
| Technology | 1 |
| |||
| диапазон записи глубин (эхолотом) | |||
|
recorder range : 8 phrases in 5 subjects |
| Acoustics | 1 |
| Artillery | 3 |
| Military | 1 |
| Nautical | 2 |
| Technology | 1 |