The positions and characteristics of lights and buoys shown within the port area are().
A、untrue
B、impossible
C、suspectful
D、unimportant
A、untrue
B、impossible
C、suspectful
D、unimportant
A、A.Position all personnel at the stern and rock the vessel upright B、B.Position all personnel around the mast and lift the vessel upright C、C.Lock the centerboard in the down position,stand on the centerboard,and pull on a shroud or a halyard D、D.Put the centerboard in the up position and have all personnel haul in on the line attached to the mast
A、The cursor is only protected from updates and deletes by concurrent applications. B、The row is only protected from positioned updates and deletes that reference another cursor of the same application. C、The cursor is protected from positioned updates and deletes that reference another cursor of a different application. D、The row is protected from updates and deletes by the current application and from positioned updates and deletes that reference another cursor of the same application.
A、A.be positive B、B.be positive and made in ample time C、C.be positive,made in ample time and with due regard to the observance of good seamanship D、D.be positive,made in ample time,with due regard to the observance of good seamanship and avoiding complying with local regulations
A、to their final position with the winch operating at slow speed B、to the bar stop,and then hand cranked to their final position C、until just before they make contact with the limit switch,and then hand cranked to their final position D、to the embarkation deck,and then hand cranked to their final position
A、location and capacity of the facilities located on board ships B、Position and type of a sincere sintion C、Capacity and location of shore based communication facilities D、Position and capacity of mobile communication stations
A、location and capacity of the facilities located on board ships B、Position and type of a sincre sintion C、Capacity and location of shore based communication facilities D、Position and capacity of mobile communication stations
A、location and capacity of the facilities located on board ships B、Position and type of a sincre sintion C、Capacity and location of shore based communication facilities D、Position and capacity of mobile communication stations