n.磁学，磁性元件；磁性材料

The compass needle aligns with the Earth's magnetic field.
罗盘针会与地球磁场对齐。
Magnetic resonance imaging (MRI) is a diagnostic tool that utilizes magnetic fields and radio waves.
磁共振成像（MRI）是一种利用磁场和无线电波进行诊断的工具。
Electrons have both electric charge and intrinsic magnetic moment.
电子既有电荷又有固有的磁矩。
The ferromagnetic materials like iron can be magnetized to a strong level.
像铁这样的铁磁材料可以被强烈地磁化。
In an electromagnet, the magnetic field is produced by an electric current flowing through a coil of wire.
在电磁铁中，磁场是由电流通过线圈产生出来的。
The tape recorder stores sound information on a magnetic tape.
录音机将声音信息存储在磁带上。
The magnetic strip on a credit card contains encoded data about the cardholder.
信用卡上的磁条含有持卡人的编码数据。
A maglev train levitates above the tracks using magnetic repulsion.
磁悬浮列车使用磁力排斥技术浮于轨道之上。
Compass bearings can be affected by nearby magnetic anomalies.
罗盘方位可能会受到附近磁场异常的影响。
Magnetometers are used to measure the strength and direction of magnetic fields.
磁强计用于测量磁场的强度和方向。