 |
| |||
| patch | |||
| |||
| spetches | |||
| 补块: 18 phrases in 11 subjects |
| Air defense | 2 |
| Architecture | 1 |
| Aviation | 1 |
| Electronics | 2 |
| General | 2 |
| Geophysics | 2 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Statistics | 1 |
| Technology | 4 |
|
| |||
| patch | |||
| |||
| spetches | |||
| 补块: 18 phrases in 11 subjects |
| Air defense | 2 |
| Architecture | 1 |
| Aviation | 1 |
| Electronics | 2 |
| General | 2 |
| Geophysics | 2 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Statistics | 1 |
| Technology | 4 |