______ amplify charted detail and contain information needed for safe navigation.
A.sailing directions
B.list of lights
C.list of signals
D.notices to mariners
A.sailing directions
B.list of lights
C.list of signals
D.notices to mariners
第1题
________amplify(详述)charted detail and contain information needed for safe navigation.
A.Sailing Directions
B.List of Lights
C.List of Signals
D.Notices to Mariners
第2题
______ amplify charted detail and contain information needed for safe navigation.
A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
第3题
A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
第4题
Charted depth is the ______.
A.vertical distance from the chart sounding datum to the ocean bottom,plus the height of tide
B.vertical distance from the chart sounding datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
第6题
A.position
B.position,depth and extent
C.depth and extent
D.position and extent
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