()conveys a signal of desired rudder angle from the bridge and activates the power unit and transmission system unit the desired angle is reached.
A、The control equipment
B、The power unit
C、The transmission system
D、The follow-up mechanism
A、The control equipment
B、The power unit
C、The transmission system
D、The follow-up mechanism
A、identit ysignal、reply signal、interrogation signal B、interrogation signal、identity signal、reply signal C、identity signal、interrogation signal、reply signal D、reply signal、identity signal、interrogation signal
A、A. Establishing a signaling channel between two signaling entities in an ATM network B、B. Provide reliable connection for signaling between two IP signaling nodes C、C. Provide routing for IP signaling messages in an IP signaling network
A、Directing the beam of a searchlight at another vessel B、A smoke signal giving off orange colored smoke C、A whistle signal of one prolonged and three short blasts D、International Code Signal "PAN" spoken over the radiotelephone
A、Signal indicating a course change B、Distress signal C、Signal of asking to communicate with another vessel D、Signal indicating danger