| 释义 |
po·tas·si·um-ar·gon AHD[pə-tăs'ē-əm-ärʹgŏn'] D.J.[pəˌtæsiːəmˈɑːˌgɒn]K.K.[pəˌtæsiəmˈɑrˌgɑn]adj.（形容词）- Of, relating to, or being a geologic dating method relying on the percentage of potassium in a specimen that has radioactively decayed to argon.钾氩测年：地理学上根据样品中已放射衰变成氩的钾的比例来确定年代的方法的，与这种方法有关的，是这种方法的
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