The effect of the 2nd-order annealing kinetics on ESR dating of ancient (early Pleistocene) fossil tooth enamel samples should be further studied.

二级过程的存在对ESR法测早期古人类遗址动物牙化石年龄的影响需进一步研究。

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The results of ESR dating for the fossil tooth enamel from the Peking Man site show that ESR dating is reliable, and is comparable with other dating methods.

对北京猿人洞牙化石釉质层的铡年研究表明，年龄数据稳定可靠，可与有关测年法结果对比。

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