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自然界中氧的同位素在不断的迁移、分化和富集。这种分化、富集与温度之间有固定关系。比如水和碳酸盐之間的平衡反应 H_2O~(18)+CO_3~(16)=
Oxygen isotopes in nature are constantly migrating, differentiating and enriching. This differentiation, enrichment and temperature have a fixed relationship. Such as the equilibrium between water and carbonate H_2O ~ (18) + CO_3 ~ (16) =