单项选择题
A.mean low water B.mean lower low water C.mean high water D.mean high water springs
The revision date of a chart is printed on which area o...
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
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
