Arla确实为AFS实现了一个原本不在AFS代码中的功能：断开操作。
Arla does partly implement a feature for AFS that was not originally in the AFS code: disconnected operation.
当有启动踏板的断开操作时，控制装置停止缝纫机电动机的驱动。
When the opening operation of the startup pedal occurs, the control device stops the drive to the sewing machine motor.
您还知道，符号链接可以断开，但随后的写操作可能会创建一个新文件。
You have also seen that symbolic links can be broken but that subsequent write operations may create a new file.
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