hard direction for magnetization

例句：

1. 1. The hard direction for magnetization is crucial in the design of magnetic devices.
   硬磁化方向在设计磁性设备中至关重要。
2. 2.The hard direction for magnetization can be determined by analyzing the magnetic properties of materials.
   通过分析材料的磁性特性，可以确定硬磁化方向。
3. 3.In order to achieve optimal performance, it is necessary to align the hard direction for magnetization with the desired magnetic field direction.
   为了获得最佳性能，有必要将硬磁化方向与期望的磁场方向对齐。