|
intercept time : 13 phrases in 7 subjects |
| Anti-air artillery | 1 |
| Astronautics | 1 |
| Data processing | 1 |
| Military | 5 |
| Nuclear and fusion power | 1 |
| Radioengineering | 1 |
| Seismology | 3 |
|
intercept time : 13 phrases in 7 subjects |
| Anti-air artillery | 1 |
| Astronautics | 1 |
| Data processing | 1 |
| Military | 5 |
| Nuclear and fusion power | 1 |
| Radioengineering | 1 |
| Seismology | 3 |