distributed-feedback laser

例句：

1. 1.The distributed-feedback laser is used to scan the surface of the material for defects.
   分布式反馈激光用于扫描材料表面以检测缺陷。
2. 2.The distributed-feedback laser has been proven to be more accurate than traditional methods.
   分布式反馈激光已被证明比传统方法更精确。
3. 3.The distributed-feedback laser can be used in a variety of applications, including welding and cutting.
   分布式反馈激光可以在多种应用中使用，包括焊接和切割。