| |||
| 制导和导航控制系统 | |||
| 制导与导航控制系统 | |||
|
guidance and navigation control system : 6 phrases in 3 subjects |
| Aviation | 2 |
| Electronics | 3 |
| Space | 1 |
| |||
| 制导和导航控制系统 | |||
| 制导与导航控制系统 | |||
|
guidance and navigation control system : 6 phrases in 3 subjects |
| Aviation | 2 |
| Electronics | 3 |
| Space | 1 |