软铁磁矩形薄板
soft ferromagnetic rectangular thin plate
环形磁铁磁场
Magnetic field of circular magnet
Ni2MnGa铁磁形状记忆合金
Ni 2MnGa magnetic shape memory alloy
电磁铁磁路结构
magnetic circuit structure of solenoid
偏转调焦扇形磁铁式动量分析仪
inflexion focusing magnetic sector momentum analyzer