ferromagnetic moment

例句：

1. 1.The magnetized iron rod has a ferromagnetic moment of 0.5 emu.
   被磁化的铁棒具有0.5 emu的铁磁性矩。
2. 2. Ferromagnetic materials exhibit strong magnetic properties.
   铁磁性材料展现出强烈的磁性特性。
3. 3. The discovery of the ferromagnetic moment in the earth's core is a significant breakthrough in our understanding of theplanet's internal structure.
   在地球核心发现铁磁性矩是对我们理解地球内部结构的重大突破。