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研究了牙珐琅化石的ＥＳＲ信号对辐照剂量的响应关系，讨论了用指数目数拟合定牙珐琅累积剂量ＡＤ的适用范围和所产生的系统误差的大小，并以郧县古人类遗址牙珐琅样品为实例检验了上述研究结果．
The relationship between ESR signal and irradiation dose of enamel fossil was studied. The application range and the systematic error of enamel cumulative dose AD fitted by exponential number were discussed. Enamel samples as an example to test the above findings.