active sonar
| system
| active sonar | |
| IT | 有源 声纳 |
| mil., air.def. | 有源声呐 |
| oil | 主动声吶 |
| shipb. | 主动声呐 |
| system | |
| gen. | 体 |
| IMF. | 安排 |
| leath. | 网 |
| med. | 派 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 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 |