1)potassium argon method,钾氩年代测定法2)potassium dating,钾氩年代测定法3)potassium-argon age method,钾氩年代测定法4)K-Ar,钾-氩法5)K-Ar dating,钾-氩计时6)potassium-argon age dating method,钾-氩测年7)poltassium-argon dating,钾-氩测年8)potassium-argon age dating method,钾-氩法9)poltassium-argon dating,钾-氩法10)potassium-argon age dating method,钾氩法
