A.latitude scale near the middle of the track line
B.longitude scale near the middle of the track line
C.latitude scale at the midlatitude of the chart
D.latitude or longitude scale at the middle of the scale
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A.fixed to
B.needed for
C.pushed to
D.drawn to
A.U.S.A
B.China
C.U.K
D.Japan
A.fix
B.line of position
C.relative bearing
D.range
A.fix
B.estimated position
C.dead reckoning position
D.running fix
A.Course-planning
B.Position-fixing
C.Radar-plotting
D.Stowage-plan making
最新試題
The soundings on the chart are based on the depth of water available at （）.
The shoreline on charts generally represents the mean（）.
What is NOT an advantage of the rhumb line track over a great circle track? （）
The soundings on the imperial chart are measured in（）.
The description Racon beside an illustration on a chart would mean a （）.
The revision date of a chart is printed on which area of the chart? （）
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
The short-long dashed magenta line around Gardiners Island marks（）.
The only cylindrical chart projection widely used for navigation is the （）.
What defines a great circle? （）