| |||
γ-射线源 |
ray source : 53 phrases in 14 subjects |
Agriculture | 2 |
Astronomy | 12 |
Aviation | 3 |
Chemistry | 4 |
Ecology | 1 |
Electronics | 7 |
Energy industry | 1 |
Geophysics | 1 |
Metallurgy | 3 |
Nuclear physics | 4 |
Oil / petroleum | 3 |
Space | 7 |
Steel production | 1 |
Technology | 4 |