potassium-argon dating
短语钾氩测年
词形变化
potassium-argon datings
复数
potassium-argon datings
释义与例句
n.
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1.
A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.
不可数 地质