magneto striction cookie cutter

例句：

1. 1. The magnetostriction of the material is crucial for its functionality.
   这种材料的磁致伸缩性质对其功能至关重要。
2. 2.Magnetostriction is a phenomenon whereby the strain in a material changes with the applied magnetic field.
   磁致伸缩是一种现象，其中材料中的应变随外加磁场的变化而变化。
3. 3. The magnetostriction effect can be used to create micro-actuators that respond to external magnetic fields.
   利用磁致伸缩效应可以制造出对外部磁场有响应的微执行器。