substitution impedance measuring set

例句：

1. 1.This instrument is used to measure the impedance of electrical circuits.
   这台仪器用于测量电气电路的阻抗。
2. 2. The substitutive impedance measurement system can quickly identify faults in power lines.
   替代阻抗测量系统可以迅速识别电力线路中的故障。
3. 3.In this case, the substitution impedance measurement system was used to diagnose the problem.
   在这种情况下，使用替代阻抗测量系统来诊断问题。