Hall process

例句：

1. 1. The Hall process is used to measure the magnetic properties of materials.
   霍尔过程用于测量材料的磁性属性。
2. 2. In the Hall process, a current flows through a material and its resistance changes.
   在霍尔过程中，电流通过材料并改变其电阻。
3. 3.The Hall effect is a fascinating phenomenon that occurs when an electric field interacts with a moving charge.
   霍尔效应是一个引人入胜的现象，当电场与移动电荷相互作用时会发生。