When the vessels steering wheel on the navigation bridge is turned, the difference existing between the position of the wheel and that of the rudder is known as （）.<br>A:proportional band<br>B:the error signal<br>C:the reset signal<br>D:feedback

When the vessels steering wheel on the navigation bridge is turned, the difference existing between the position of the wheel and that of the rudder is known as （）.
A:proportional band
B:the error signal
C:the reset signal
D:feedback

出自：海船船员证

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