four probe method

例句：

1. 1. Thefour-probe method is used tomeasure the electrical resistance of a material.
   四探针法用于测量材料的电阻。
2. 2. In thefour-probe method, a probeis inserted into the sample and its resistanceis measured.
   在四探针法中，一个探针被插入样品并测量其电阻。
3. 3. The four-probe methodis commonly used in electronics to testthe quality of semiconductor devices.
   四探针法常用于电子领域，用于测试半导体器件的质量。