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isotopic assignment | |||
isotope assay | |||
isotopic assay (法); isotopic measurement (法) |
同位素测定: 33 phrases in 9 subjects |
Animal husbandry | 1 |
Automobiles | 1 |
Desert science | 3 |
Earth sciences | 1 |
Engineering geology | 5 |
Metallurgy | 1 |
Oil / petroleum | 4 |
Reproductive biology | 1 |
Technology | 16 |