单项选择题
A.azimuthal gnomonic projection B.Lambert conformal projection C.transverse Mercator projection D.polyconic projection
A chart position enclosed by a square is a(n)（）.A.fixB....
单项选择题A chart position enclosed by a square is a(n)（）.
A.fix B.estimated position C.dead reckoning position D.running fix
A change of a documented vessel’s name can only be made...
单项选择题A change of a documented vessel’s name can only be made by the（）.
A.American Bureau of Shipping B.Commissioner of Customs C.Treasury Department D.Coast Guard
A chain bridle is used when towing astern because it（）....
单项选择题A chain bridle is used when towing astern because it（）.
A.is easy to connect B.provides an effective catenary and absorbs shock due to its weight C.makes rigging a swivel unnecessary D.prevents the tow from yawing by the drag of the chains in a seaway
