turn-off pulse

例句：

1. 1. The device has a built-in feature that can turn off the pulse when it detects an incoming threat.
   该设备内置了一个功能，当检测到威胁时可以关闭脉冲。
2. 2.In order to prevent data loss, the system uses a turn-off pulse to shut down the network connection.
   为了防止数据丢失，系统使用一个断流脉冲来关闭网络连接。
3. 3. The engineer used a turn-off pulse to disconnect the power source from the circuit.
   工程师使用了断流脉冲来断开电源源与电路的连接。