end-of-selection signal

例句：

1. 1.The program will stop running when the end-of-selection signal is received.
   当接收到选择结束信号时，程序将停止运行。
2. 2. The user can use a special button to send an end-of-selection signal to the system.
   用户可以通过使用特殊按钮向系统发送一个选择结束信号。
3. 3. In this scenario, the end-of-selection signal is used to indicate that the user has made their choice and wants to proceed with the next step.
   在这种情况下，选择结束信号被用来表示用户已经做出了选择并希望继续进行下一步操作。