high-frequency voltmeter

例句：

1. 1. The high-frequencyvoltmeter is used to measure thevoltage of high-frequency electrical signals.
   高频电压表用于测量高频电气信号的电压。
2. 2. The engineer used the high-frequencyvoltmeter to check the accuracy ofthe circuit.
   工程师使用高频电压表来检查电路的准确性。
3. 3. The high-frequency voltmeter was used to monitor the powerconsumption during the testing process.
   高频电压表被用来监测测试过程中的功率消耗。