 |
| |||
| active | |||
| active system | |||
| 有源系统: 40 phrases in 11 subjects |
| Air defense | 5 |
| Aviation | 8 |
| Earth sciences | 3 |
| Electronics | 8 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 4 |
| Information technology | 1 |
| Navigation | 1 |
| Project management | 1 |
| Space | 7 |
|
| |||
| active | |||
| active system | |||
| 有源系统: 40 phrases in 11 subjects |
| Air defense | 5 |
| Aviation | 8 |
| Earth sciences | 3 |
| Electronics | 8 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 4 |
| Information technology | 1 |
| Navigation | 1 |
| Project management | 1 |
| Space | 7 |