electrical pulse

例句：

1. 1. The device generates an electrical pulse to trigger the alarm system.
   该设备产生一个电脉冲来触发警报系统。
2. 2.The researcher found that the electrical pulse could be used to detect cancer cells.
   研究者发现，电脉冲可以用来检测癌细胞。
3. 3.The medical team administered a series of electrical pulses to treat the patient's pain.
   医疗团队给病人施用了一系列的电脉冲来治疗病人的疼痛。