- The process of making a substance temporarily or permanently magnetic, as by insertion in a magnetic field.
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
- An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
磁体处于磁场包围中的一个物体，具有天生的或者是引发的吸引铁或钢的特性
- The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.
滞后现象一个结果在原因之后拖沓，比如一个物体的磁化变化要比一个磁场变化慢
- An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field.
检流计，电流计一种仪器，用以探测、测量和测定微小电流方向，采用线圈在磁场中产生的机械效果的方法
