The phenotypes in family Z002 explored one kind of high frequency hearing loss, whereas in family F013 manifested low frequency hearing loss.
在Z 002家系的听力表型表现为一种高频听力损失，而在F013家系表现为低频听力损失。
Conclusion Impulse noise causes more serious damage in causing high frequency hearing loss than continuous noise according to equal energy rule.
结论脉冲噪声所致高频听力损失的危害在能量相同的情况下大于稳态噪声。
There was no significant difference between the groups who had high frequency or speech frequency hearing loss in annum and working ages.
高频及语频听力损失率在各年份及各工龄组间差异无统计学意义。
There was no significant difference between the groups who had high frequency or speech frequency hearing loss in annum and working ages.
高频及语频听力损失率在各年份及各工龄组间差异无统计学意义。
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