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。
Presents the theory behind, basic structure and operation mode of a new portable audit test instrument for high tension electric energy measurements and suggests criteria for qualitative assessment.
为加强对高压计量用户的稽查与考核，介绍了新研制的携带式高压电能计量稽查测试仪的稽查原理、基本结构及测试方法，并提出了定性评估准则。
Presents the theory behind, basic structure and operation mode of a new portable audit test instrument for high tension electric energy measurements and suggests criteria for qualitative assessment.
为加强对高压计量用户的稽查与考核，介绍了新研制的携带式高压电能计量稽查测试仪的稽查原理、基本结构及测试方法，并提出了定性评估准则。
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