单项选择题
A.at the top center of the next line B.near the chart title C.at the lower left corner D.at any convenient location
The soundings on the chart are based on the depth of wa...
单项选择题The soundings on the chart are based on the depth of water available at （）.
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
