If you don't want the original method to be called, you can disconnect the signal from the slot, for instance by adding the following line before the logger.show line.
如果您不想调用原始方法，那么可以从插槽disconnect信号，例如通过在logger . show行之前添加以下行。
To calibrate the circuit, first disconnect or obscure the input photodiode so that A1A converts no ac signal.
为校准电路，首先断开或使输入光敏二极管变暗，以便A 1 A转换非交流信号。
Especially in the condition that the speed signal device is connected to the power, don't disconnect the connection between PT and the speed signal device.
特别是在转速信号装置接通电源的情况下，勿断开pt与转速信号装置间的连接。
Especially in the condition that the speed signal device is connected to the power, don't disconnect the connection between PT and the speed signal device.
特别是在转速信号装置接通电源的情况下，勿断开pt与转速信号装置间的连接。
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