 |
| |||
| research task | |||
| 研究 任务: 16 phrases in 7 subjects |
| Aviation | 5 |
| Commerce | 1 |
| Economy | 2 |
| Electronics | 1 |
| Information technology | 1 |
| Space | 5 |
| Telecommunications | 1 |
|
| |||
| research task | |||
| 研究 任务: 16 phrases in 7 subjects |
| Aviation | 5 |
| Commerce | 1 |
| Economy | 2 |
| Electronics | 1 |
| Information technology | 1 |
| Space | 5 |
| Telecommunications | 1 |