![]() |
| |||
γ 射线检测器; γ射线检测器 | |||
| |||
β 射线探测器 | |||
| |||
α 射线探测器 |
ray detector: 42 phrases in 14 subjects |
Agriculture | 2 |
Automobiles | 2 |
Aviation | 2 |
Chemistry | 2 |
Desert science | 1 |
Drilling | 1 |
Electronics | 2 |
Geology | 2 |
Geophysics | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 6 |
Oil / petroleum | 2 |
Space | 11 |
Technology | 6 |