辐射 探测器 : 66 phrases in 15 subjects |
Air defense | 1 |
Aviation | 5 |
Business | 1 |
Construction | 1 |
Earth sciences | 3 |
Electric machinery | 1 |
Electronics | 4 |
General | 1 |
Geophysics | 2 |
Metallurgy | 1 |
Nuclear physics | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 21 |
Technology | 22 |