我
- A.DGPS，within a coverage area
- B.SPS，without selective availability
- C.PPS，without selective availability
- D.NAVSAT，using the Doppler-shift
- A.Mars
- B.Venus
- C.Neptune
- D.Pluto
- A.one zone to the east
- B.one zone to the west
- C.two zones to the east
- D.two zones to the west
- A.secure the lifeboat in the davits when in the stowed position
- B.bring the lifeboat close along the rail in the embarkation position
- C.give the occupants a safety line when the boat is being lowered from the embarkation level
- D.reduce the swinging of the lifeboat at the embarkation levelFrapping
- A.Official Crew List
- B.Certificate of Inspection
- C.Officer's licenses
- D.Muster List
- A.Does not change
- B.Improves rapidly
- C.Improves only slightly
- D.Becomes poor
- A.Plating
- B.Beam
- C.Stiffener
- D.Stanchion
- A.too low to
- B.too high to
- C.too high for
- D.too low for
- A.Customs Officer
- B.Immigration Officer
- C.Coast Guard
- D.Union Official
- A.revised edition
- B.new edition
- C.small corrections
- D.source data
