 |
|
aspect angle : 20 phrases in 8 subjects |
| Air defense | 1 |
| Astronautics | 3 |
| Aviation | 1 |
| Fighter aviation | 3 |
| Jet engines | 1 |
| Military | 3 |
| Radiolocation | 3 |
| Space | 5 |
|
|
aspect angle : 20 phrases in 8 subjects |
| Air defense | 1 |
| Astronautics | 3 |
| Aviation | 1 |
| Fighter aviation | 3 |
| Jet engines | 1 |
| Military | 3 |
| Radiolocation | 3 |
| Space | 5 |