high-frequency millivolt meter

例句：

1. 1.This high-frequency millivolt meter is used to measure the resistance of materials.
   这个高频毫伏表用来测量材料的电阻。
2. 2.The engineer used this high-frequency millivolt meter to test the electrical circuits.
   工程师使用这个高频毫伏表来测试电气电路。
3. 3. The high-frequency millivolt meter was used to detect any short circuits in the power grid.
   高频毫伏表被用来检测电网中的任何短路。