| |||
| 双曲线导航 | |||
|
hyperbolic navigation : 15 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Space | 5 |
| Technology | 6 |
| |||
| 双曲线导航 | |||
|
hyperbolic navigation : 15 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Space | 5 |
| Technology | 6 |