Methods: Pointer and digital measuring meters were used for experiments in the static magnetic field and 0.Hz alternating magnetic field of different strength.
Methods: Pointer and digital measuring meters were used for experiments in the static magnetic field and 0.Hz alternating magnetic field of different strength.
方法 :用指针式测量仪表和数字式测量仪表 ,在不同强度的恒定磁场和 0 .Hz的交变磁场环境中实验。