pulsed operation

例句：

1. 1. The device operates at a pulsed frequency to reduce power consumption.
   该设备以脉冲频率运行，以减少功耗。
2. 2. The system is designed for pulsed operation in critical applications.
   该系统设计用于关键应用中的脉冲操作。
3. 3. The research focused on the pulsed operation of the laser.
   研究专注于激光的脉冲操作。