远参比法 reference electrode method remote from pipeline 辅助电极法 auxiliary electrode method 指针式电压表的内阻应不小于100kΩ/V；数字式电压表的输入阻抗应不小于1MΩ。 .
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With a view to the deficiency of grounding resistance measurement at present, a new method with short current-electrode wire based on computer auxiliary analysis is presented.
针对目前的接地电阻测量方法的缺点，提出了以计算机辅助分析为基础的短电流极引线测量方法，并对电流引线长度的选取作了分析。
The method uses a data line to connect common electrode wire signals and utilizes the existing auxiliary line to connect data line signals.
利用该辅助线接续该第一资料线，使传送到该第一资料线的影像信号经由该辅助线提供；
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