| |||
| 技术力量 | |||
|
technical force : 18 phrases in 7 subjects |
| Aviation | 7 |
| Commerce | 2 |
| Earth sciences | 1 |
| General | 5 |
| Rail transport | 1 |
| United Nations | 1 |
| United States | 1 |
| |||
| 技术力量 | |||
|
technical force : 18 phrases in 7 subjects |
| Aviation | 7 |
| Commerce | 2 |
| Earth sciences | 1 |
| General | 5 |
| Rail transport | 1 |
| United Nations | 1 |
| United States | 1 |