ferrimagnet

例句：

1. 1. Ferrimagnets are used to detect magnetic fields in materials.
   铁磁共振体用于检测材料中的磁场。
2. 2. The ferrimagnet's properties were studied in detail.
   详细研究了铁磁共振体的性质。
3. 3. The discovery of this new ferrimagnet has sparked excitement in the scientific community.
   这一新型铁磁共振体的发现在科学界引起了兴奋。