high-frequency Q meter

例句：

1. 1.The high-frequency Q meter is used to measure the quality of electrical signals.
   高频Q表用于测量电信号的质量。
2. 2.The high-frequency Q meter was used to test the stability of the circuit.
   高频Q表被用来测试电路的稳定性。
3. 3.The high-frequency Q meter was used to measure the impedance of the circuit.
   高频Q表被用来测量电路的阻抗。