| |||
| 航向指令 | |||
|
directional command : 8 phrases in 7 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Navigation | 1 |
| Space | 1 |
| Technology | 1 |
| |||
| 航向指令 | |||
|
directional command : 8 phrases in 7 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Navigation | 1 |
| Space | 1 |
| Technology | 1 |