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X射线光谱 | |||
X射线谱 | |||
X 射线谱 | |||
伦琴射线谱 |
X-ray spectrum : 32 phrases in 12 subjects |
Chemistry | 1 |
Earth sciences | 3 |
Ecology | 1 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Geology | 1 |
Geophysics | 1 |
Metallurgy | 15 |
Plastics | 1 |
Steel production | 1 |
Technology | 2 |