A.red triangle with the letter R
B.white triangle with the letters RG
C.green square with the letter G
D.white square with the letters GR
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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
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
最新試題
That the scale of any part of a chart to be larger than the scale of the survey is（）.
（）is not a position-fixing system.
The soundings on the chart are based on the depth of water available at （）.
What information is NOT found in the chart title? （）
The shoreline on charts generally represents the mean（）.
The arrangement of charts in the catalogue is（）.
Charts showing the coast of Mexico are produced by the United States（）.
The description Racon beside an illustration on a chart would mean a （）.
The only cylindrical chart projection widely used for navigation is the （）.
The short-long dashed magenta line around Gardiners Island marks（）.