 |
| |||
| 有源［主动］声纳 | |||
| 有源声呐 | |||
| 主动声吶 | |||
| 主动声呐 | |||
| 主动式声呐 | |||
|
active sonar : 13 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Electronics | 1 |
| Fishery fishing industry | 1 |
| Geophysics | 1 |
| Navigation | 2 |
| Space | 3 |
| Technology | 2 |
|
| |||
| 有源［主动］声纳 | |||
| 有源声呐 | |||
| 主动声吶 | |||
| 主动声呐 | |||
| 主动式声呐 | |||
|
active sonar : 13 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Electronics | 1 |
| Fishery fishing industry | 1 |
| Geophysics | 1 |
| Navigation | 2 |
| Space | 3 |
| Technology | 2 |