将条形码读入器的端部在商品标签、信用卡和雇员证的磁性编码条纹上扫掠以读入信息。 Passing the tip of a wand reader over a magnetically encoded stripe of a merchandise ticket, credit card, or employee badge.
磁化使一个物体具有暂时或永久性磁性的过程,例如把一个物体放入磁物中 The process of making a substance temporarily or permanently magnetic, as by insertion in a magnetic field.
通电时线圈即具磁性。 The block becomes magnetic when the current is switched on.
通电时线圈就会有磁性。 The loop becomes magnetic when the current is switched on.