magneto exchange

例句：

1. 1. Magnetic fields can be used to detect the presence of magnetic materials.
   磁场可以用来检测磁性材料的存在。
2. 2.The magneto-exchange process is crucial for the stability of magnetic recording media.
   磁交换过程对于磁性记录介质的稳定性至关重要。
3. 3.In magneto-exchange devices, the magnetic field is generated by a permanent magnet and detected by a coil.
   在磁交换设备中，由永久磁铁产生的磁场被线圈检测到。