• The audiogram of pure tone, of noise and of distractive energy are obtained. The measuring device is composed of simple apparatus in lab.

    利用实验室现有简单设备组成实验装置测定了正常的听阈曲线、噪声干扰时听阈曲线、 分散注意力时的听阈曲线。

    www.chemyq.com

  • The audiogram of pure tone, of noise and of distractive energy are obtained. The measuring device is composed of simple apparatus in lab.

    利用实验室现有简单设备组成实验装置测定了正常的听阈曲线、噪声干扰时听阈曲线、 分散注意力时的听阈曲线。

    www.chemyq.com

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