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γ 射线光谱仪 |
ray spectrometer: 89 phrases in 16 subjects |
Agriculture | 3 |
Air defense | 1 |
Animal husbandry | 1 |
Automobiles | 1 |
Aviation | 2 |
Chemistry | 2 |
Earth sciences | 10 |
Electronics | 13 |
Environment | 1 |
Geology | 6 |
Metallurgy | 6 |
NASA | 1 |
Oil / petroleum | 3 |
Plastics | 1 |
Space | 27 |
Technology | 11 |