 |
| |||
| 改进了的规划 | |||
|
improved program : 11 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 2 |
| China | 1 |
| Commerce | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Space | 1 |
| Technology | 2 |
|
| |||
| 改进了的规划 | |||
|
improved program : 11 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 2 |
| China | 1 |
| Commerce | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Space | 1 |
| Technology | 2 |