ferromagnetic rod

• 铁磁杆

ferromagnetic rod的用法和样例：

例句

1. Materials which have magnetic properties similar to iron are ferromagnetic.
   具有类似于铁那样的磁性的材料就是铁磁物质。
2. One solution employs a ferromagnetic metal to inject a spin-polarized current into a semiconductor.
   解决这种问题的办法是，利用铁磁金属将自旋偏极化的电流注入半导体内。