Q-switched laser

例句：

1. 1.This Q-switched laser is used for precise cutting and drilling.
   这种Q开关激光用于精确切割和钻孔。
2. 2. The Q-switched laser was the first to use a fiber optic cable for communication.
   Q开关激光器是第一个使用光纤电缆进行通信的。
3. 3. The Q-switched laser was used in the medical field for tissue removal.
   Q开关激光器在医疗领域用于组织切除。