| 单词 | age determination |
| 释义 | > as lemmasage determination age determination n. ΚΠ 1878 Rec. Geol. Surv. India 11 290 The age-determinations thus deduced from the marine fossils and the plant-remains..lead to results of considerable divergence. 1926 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity xxvi. 216 Age determination from the Helium content. 2010 C. M. Aelion in C. M. Aelion et al. Environmental Isotopes Bioremediation & Biodegradation xi. 353 Boltwood used the idea that lead was the end product of the decay of uranium to make age determinations on uranite using U/Pb ratios. < as lemmas |
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