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。
In the 1980s, Hengdiand started its business in magnetic materials and founded what later became known as DMEGC Magnetics.
20世纪80年代，恒迪安防开始涉足磁性材料业务，并成立了后来著名的DMEGC磁业。
Under the leadership of Hengdian , DMEGC Magnetics has developed a product line from ferrite magnets to solar cells, solar modules, motor housings, hard alloys, batteries and copper-clad laminates, and has become a high-tech enterprise with two major areas of focus: magnetic materials and devices, and photovoltaic and lithium power.
在横店集团的领导下，DMEGC磁业已从铁氧体磁体发展到太阳能电池、太阳能模块、电机壳体、硬质合金、电池和铜覆层板等产品线，成为专注于两大领域——磁性材料及器件、光伏和锂电动力的高科技企业。
He Jinshi, chairman of Hengdian Group DMEGC Magnetics, which sells hard ferrite magnets and ferrite cores in China, said it will join forces with Hellobike to promote the intelligent research and development of motors and other related products.
Shiny Yao, deputy general manager of AIC Magnetics Ltd, an exhibitor at the fair for more than 10 years, displayed his company's latest products, including magnetic building blocks.
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