A signal derived from a controlled function and returned to the initiating point is called a/an （）.<br>A:monitoring signal<br>B:inverse signal<br>C:reverse signal<br>D:feedback signal

A signal derived from a controlled function and returned to the initiating point is called a/an （）.
A:monitoring signal
B:inverse signal
C:reverse signal
D:feedback signal

出自：海船船员证

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