单项选择题
A.the effects of beam width B.limitations on range resolution C.the pulse length of the radar D.the multiple-target resolution factor
A.Master should foresee any danger to the vessel on the present course B.vessel must be in extremis C.Master should agree to sign a release of liability form D.Master must first request the Pilot to take corrective action
A.is a specialist hired for his local navigational knowledge B.is solely responsible for the safe navigation of the vessel C.relieves the Master of his duties D.relieves the officer of the watch