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
What defines a great circle? （）
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（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.
What information is found in the chart title? （）
The survey information upon which a chart is based is found （）.
What information is NOT found in the chart title? （）
Which aid is NOT marked on a chart with a magenta circle? （）
That the scale of any part of a chart to be larger than the scale of the survey is（）.
The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.