ANSI S3.25-1989 标准详情
- 标准号:ANSI S3.25-1989
- 中文标题:封闭式仿真耳
- 英文标题:Occluded ear simulator
- 标准类别:美国国家ANSI
- 发布日期:1989
The physical configuration and acoustical performance of an occluded ear simulator are specified. This device is designed to simulate the acoustical behavior of that portion of the ear canal between the tip of an earmold and the eardrum, including th
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