high-frequency microvoltmeter

例句：

1. 1.This high-frequency microvoltmeter is used to measure the resistance of materials.
   这个高频微伏表用于测量材料电阻。
2. 2.The engineer used this high-frequency microvoltmeter to test the accuracy of the circuit.
   工程师使用这个高频微伏表测试电路的准确性。
3. 3. The high-frequency microvoltmeter was used to detect any short circuits in the electrical system.
   高频微伏表被用来检测电气系统中的任何短路问题。