magnetic field free space
field-free magnetic space
10T high magnetic field
10T强磁场
加速器质谱法（AMS）
加速器质谱
加速器质谱计
10T superconducting magnetic field
3D magnetic field measurement
3-D magnetic field measurement
a method for the calculation of magnetic field
a uniformly strong magnetic field
AC longitudinal magnetic field
actuating magnetic field
added electric field and magnetic field
additional magnetic field