single pulse

例句：

1. 1. The device can detect and analyze the single pulse of a signal.
   该设备可以检测和分析信号的单脉冲。
2. 2.The single pulse of light from the star was detected by the telescope.
   望远镜探测到了来自恒星的单脉冲光。
3. 3.The single pulse of electricity traveled through the wire with incredible speed.
   电流以惊人的速度穿过电线的单脉冲。