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X-ray spectrum analysis |
射线谱分析 : 55 phrases in 11 subjects |
Chemistry | 3 |
Ecology | 1 |
Electronics | 32 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 7 |
Oil / petroleum | 1 |
Plastics | 1 |
Steel production | 2 |
Technology | 5 |