 |
| |||
| radio direction finding | |||
| 无线电定向、测向: 14 phrases in 7 subjects |
| Agriculture | 2 |
| Aviation | 2 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 5 |
|
| |||
| radio direction finding | |||
| 无线电定向、测向: 14 phrases in 7 subjects |
| Agriculture | 2 |
| Aviation | 2 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 5 |