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放射性碳年代测定 | |
space | radiocarbon dating |
ABC法 | |
UN AIDS. | ABC approach; Abstain, Be faithful, use a Condom |
CVD法 | |
supercond. | chemical vapour deposition process; CVD process |
PVD法 | |
supercond. | physical vapour deposition process; PVD process |
法 | |
gen. | law; method; way |
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radiocarbon dating |
放射性碳年代测定: 7 phrases in 4 subjects |
Ecology | 1 |
Engineering geology | 1 |
Oil / petroleum | 3 |
Technology | 2 |