surface induction

例句：

1. 1. The new design uses a surface induction coil to improve efficiency.
   新设计使用了一个表面感应线圈来提高效率。
2. 2.In the case of a surface induction motor, the magnetic field is generated by the rotating magnetic field.
   在表面感应电机的情况下，磁场是由旋转的磁场产生的。
3. 3.The surface induction method is used to measure the resistance of materials at different depths.
   表面感应方法用于测量不同深度材料电阻。