单项选择题
A.Top center B.Lower-left corner C.Part of the chart title D.Any clear area around the neat line
The path that a vessel is expected to follow，represente...
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
The only cylindrical chart projection widely used for n...
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
The numeral in the center of a wind rose circle on a pi...
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
