| |||
bird dog | |||
radio detection finder | |||
radio direction finder; radio goniometer | |||
radio directional finder; wireless compass | |||
| |||
radio direction finder |
无线 电测向器 : 11 phrases in 7 subjects |
Air defense | 1 |
Construction | 1 |
General | 1 |
Shipbuilding | 1 |
Skydiving | 2 |
Space | 4 |
Technology | 1 |