Objective to develop a kind of portable subjective visual vertical (SVV) perception test instrument and a test device for otolith function.
目的研制便携式主观视觉垂直线(SVV)知觉检测仪，提供耳石器功能检测设备。
Objective to develop a kind of portable subjective visual vertical (SVV) perception test instrument and a test device for otolith function.
目的研制便携式主观视觉垂直线(SVV)知觉检测仪，提供耳石器功能检测设备。
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