an instrument used to measure the sensitivity of hearing 同义词：audiometer,
A sonometer is an apparatus made of a hollow box having two holes. A string is attached to it by which the transverse vibrations of strings can be studied.
例句与用法
1.
The asian american health initiative uses a qualitative ultrasonic bone sonometer to test bone strength Aahi使用检验合格的超声波骨密度仪测试骨头强度。
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