A.A rhumb line appears as a straight line
B.Distance is measured at the midlatitude of the track line
C.Meridians appear as curved lines converging toward the nearer pole
D.Parallels，except the equator，appear as curved lines
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A.variation
B.true directions
C.magnetic directions
D.annual rate of variation change
A.Cly
B.Cla
C.Cl
D.C
A.In the Coast Pilot
B.In the Nautical Almanac
C.In the List of Lights
D.In the Sailing Directions
A.Feet
B.Yards
C.Fathoms
D.Meters
A.fish trap areas
B.naval exercise areas
C.underwater cables
D.recommended track lines
最新試題
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
The description Racon beside an illustration on a chart would mean a （）.
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
Every chart is liable to be incomplete（）.
What information is NOT found in the chart title? （）
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
Which information does the outer ring of a compass rose on a nautical chart provide（）.
The only cylindrical chart projection widely used for navigation is the （）.
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）