ferrimagnetics

例句：

1. 1. The magnetized iron core is crucial for the functioning of the motor.
   磁化的铁芯对电机的运作至关重要。
2. 2. Thediscovery of new ferrimagnetic materials has opened up newpossibilities in technology.
   发现新的铁磁性材料为科技开辟了新的可能性。
3. 3. Thestudy of ferrimagnetics is essentialfor understanding the behavior of magnetic materials underextreme conditions.
   研究铁磁性材料对于理解在极端条件下磁性材料的行为至关重要。