magnetroln.磁放大器magnetn.磁铁；有吸引力的人（物）magneto-optical materials and devices磁光材料与器件magneto striction subaqueous microphone水下磁致伸缩传声器magneto-crystalline anisotropy energy磁晶各向异性能量magnetorheological fluid shock absorber磁流变减振器magnetoelectrieity separation collection磁电分离采集magneto system telephone exchange system磁石式电话交换制magnetohydrodynamic power gene-rationsn.磁动流体力学Magnetoencephalography/acup-mox eff脑磁图描记术／针灸效应magnetoresistance displacement transducer磁致电阻位移换能器magneto-plumbite type microwave ferrite磁铅石型微波铁氧体

1. A counter on the moor shaft locates the rider.
   电机轴上有一个装有游码的计数器。