command pulse

例句：

1. 1. The command pulse was sent out to all units in the area.
   命令脉冲被发送到该地区的所有单位。
2. 2. The commander pulsed his hand, signaling the end of the operation.
   指挥官脉冲他的手，标志着行动的结束。
3. 3. The military used command pulses to communicate with each other over long distances.
   军队使用命令脉冲在长距离内相互通信。