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退行性听力下降一般认为主要与遗传性进行性生物退变过程和环境有害噪声的暴露有关。但是对人来说，很难对这些变化进行清楚的区别和研究。早期曾有人在两种基因型小鼠CBA／Ca和C57BL／6J上进行生长过程中及噪声损伤后听觉系统变化的观察。发现这两种小鼠均显示与人类相似的随
Degenerative hearing loss is generally believed to be primarily associated with hereditary progressive degenerative processes and exposure to environmentally unwanted noise. But for people, it is hard to make a clear distinction and study on these changes. Earlier there were two genotypes mice CBA / Ca and C57BL / 6J on the growth process and the auditory system changes after noise damage observed. Both mice were found to show similarities with humans