单项选择题
The revision date of a chart is printed on which area of the chart? （）
A.Top center
B.Lower-left corner
C.Part of the chart title
D.Any clear area around the neat line
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相关考题
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单项选择题
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（）.
A.DR plot
B.track line
C.heading
D.estimated course -
单项选择题
The only cylindrical chart projection widely used for navigation is the （）.
A.Lambert conformal
B.Mercator
C.azimuthal
D.gnomonic -
单项选择题
The numeral in the center of a wind rose circle on a pilot chart indicates the （）.
A.total number of observations
B.average wind force on the Beaufort scale
C.average wind force in knots
D.percentage of calms
