 |
| |||
| connecting stage | |||
| 连接 级: 25 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Electronics | 5 |
| Exhibitions | 1 |
| General | 1 |
| Information technology | 1 |
| Metallurgy | 2 |
| Project management | 1 |
| Space | 2 |
| Technology | 7 |
|
| |||
| connecting stage | |||
| 连接 级: 25 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Electronics | 5 |
| Exhibitions | 1 |
| General | 1 |
| Information technology | 1 |
| Metallurgy | 2 |
| Project management | 1 |
| Space | 2 |
| Technology | 7 |