反干扰 : 196 phrases in 15 subjects |
Agriculture | 1 |
Air defense | 74 |
Automobiles | 3 |
Aviation | 17 |
Chemistry | 3 |
Construction | 1 |
Economy | 1 |
Electronics | 30 |
General | 12 |
Genetics | 1 |
Information technology | 1 |
Oil / petroleum | 2 |
Radio | 1 |
Space | 31 |
Technology | 18 |