A transformer-ratio arm bridge with three terminals is adopted as its measuring circuit to eliminate the influence of electrode edges and exterior interference.
相应地，它的测量电路采用具有三个输入端的变压器电桥，从而免除了电极边缘和外界干扰的影响。
This paper introduces the arm-changing measurement for the double-arm bridge. The method can reduce the systematic error and increase the precision of the measurement.
本文介绍了双臂电桥的换臂测量方法，从而减小了系统误差，提高了测量准确度。
The two-arm bridge measuring low resistance circuit of MCU control, multivibrator measuring electric capacity, auxiliary leveling bridge circuit, output display circuit are designed.
设计了单片机控制双臂电桥测量低电阻电路、多谐振荡测量电容电路、辅助调平电桥电路、输出显示等电路。
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