radiometric dating
柯林斯词典
1. N any method of dating material based on the decay of its constituent radioactive atoms, such as potassium-argon dating or rubidium-strontium dating 放射性测定年代法 (Also called radioactive dating)
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1. N any method of dating material based on the decay of its constituent radioactive atoms, such as potassium-argon dating or rubidium-strontium dating 放射性测定年代法 (Also called radioactive dating)