active sonar | |
IT | 有源 声纳 |
mil., air.def. | 有源声呐 |
oil | 主动声吶 |
shipb. | 主动声呐 |
frequency analysis | |
corp.gov. | 频数分析 |
health. | 频谱 分析 |
hydroel.st. | 频率分析 |
and | |
gen. | 并 |
recording | |
comp., MS | 錄製 |
| |||
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 |