ultrashort pulse

例句：

1. 1. The ultrashortpulse laser is used for cutting and welding.
   超短脉冲激光器用于切割和焊接。
2. 2. Ultrashort pulses can begenerated by a variety of sources.
   超短脉冲可以通过多种来源产生。
3. 3. Theultrashort pulse technique hasbeen applied to various fields.
   超短脉冲技术已经应用于各个领域。