impedance change frequency test

例句：

1. 1.The impedance change frequency test is used to measure the electrical resistance of materials.
   阻抗变化频率测试用于测量材料的电导率。
2. 2.During the impedance change frequency test, the device was connected to a computer for data analysis.
   在阻抗变化频率测试期间，设备被连接到计算机上进行数据分析。
3. 3.The impedance change frequency test is crucial in determining the performance of electronic devices.
   阻抗变化频率测试对于确定电子设备的性能至关重要。