single-hetero laser

例句：

1. 1. The single-hetero laser was used to scan the object's surface for defects.
   单异激光被用来扫描物体表面以检测缺陷。
2. 2.The research team developed a single-hetero laser that could produce precise measurements.
   研究小组开发了一种单异激光，能够产生精确的测量结果。
3. 3. The single-hetero laser was used in the manufacturing process to improve efficiency.
   单异激光在生产过程中被使用，以提高效率。