| |||
| 双重检波 | |||
|
double detection : 21 phrases in 8 subjects |
| Air defense | 3 |
| Electronics | 3 |
| General | 2 |
| Geophysics | 1 |
| Information technology | 1 |
| Metallurgy | 3 |
| Technology | 6 |
| Telecommunications | 2 |
| |||
| 双重检波 | |||
|
double detection : 21 phrases in 8 subjects |
| Air defense | 3 |
| Electronics | 3 |
| General | 2 |
| Geophysics | 1 |
| Information technology | 1 |
| Metallurgy | 3 |
| Technology | 6 |
| Telecommunications | 2 |