laser cooling

例句：

1. 1. The laser cooling technique is used to cool the surface of a material before it is machined.
   激光冷却技术用于在加工前冷却材料的表面。
2. 2.In this experiment, we applied laser cooling to reduce the thermal gradient in the sample.
   在这个实验中，我们应用了激光冷却来减少样品中的热梯度。
3. 3.Laser cooling has been shown to be effective in reducing the stresses on the cutting tool during machining.
   激光冷却已被证明在加工过程中有效降低切削工具的应力。