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isotopic analysis | |||
isotope assay | |||
isotope analysis | |||
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isotope analysis |
同位素分析: 57 phrases in 12 subjects |
Agriculture | 3 |
Chemistry | 6 |
Earth sciences | 5 |
Electronics | 1 |
Engineering geology | 1 |
Food industry | 1 |
Geology | 6 |
Metallurgy | 4 |
Oil / petroleum | 4 |
Sports | 1 |
Technology | 24 |
United Nations | 1 |