magneticsn.磁学magneticadj.有磁性的；有吸引力的；催眠术的n.磁体，磁性物质magnetic stone磁石magnetic units磁单位magnetic focus磁聚焦Magnetic resin磁性树脂magnetic brake磁力制动器,电磁制动器magnetic fluid磁性流体magnetic break磁制动器magnetic creep磁蠕动,磁滞Magnetic chain磁链magnetic grads磁场梯度