BS 6951-1988 标准详情
- 标准号:BS 6951-1988
- 中文标题:对耳科学上正常人体的年令和性别为函数的空气传导的听力阈规范
- 英文标题:specification for threshold of hearing by air conduction as a function of age and sex for otologically normal persons
- 标准类别:英国标准
- 发布日期:1988-02-29
For the frequency range 125 to 8000 Hz and for groups of otologically normal persons of a given age within the limit of 18 to 70 years inclusive, gives the expected value of median hearing threshold shift relative to a group aged 18 years and the exp
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