| |||
| 电子扫描系统 | |||
|
Electronic Scanning System : 9 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Information technology | 1 |
| Space | 2 |
| |||
| 电子扫描系统 | |||
|
Electronic Scanning System : 9 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Information technology | 1 |
| Space | 2 |