| |||
| 导弹跟踪系统 | |||
|
Missile Tracking System : 12 phrases in 6 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 1 |
| General | 1 |
| Space | 7 |
| |||
| 导弹跟踪系统 | |||
|
Missile Tracking System : 12 phrases in 6 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 1 |
| General | 1 |
| Space | 7 |