 |
| |||
| 无线电探测器 | |||
| 无线电测向仪 | |||
| 无线电测距器; 无线电定位器 | |||
| radio finder: 56 phrases in 15 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 1 |
| Communications | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| General | 2 |
| Navigation | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 3 |
| Skydiving | 1 |
| Space | 10 |
| Technology | 24 |
| Telecommunications | 1 |