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碳同位素 tàn tóngwèisù
eng.geol. radio carbon
oil carbon isotope
碳14同位素
eng.geol. carbon-14
碳14 同位素
: 36 phrases in 9 subjects
Agriculture2
Earth sciences2
Ecology2
Electronics1
Engineering geology4
Food industry1
Geology2
Oil / petroleum3
Technology19

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