单项选择题
What defines a great circle? （）
A.A curved line drawn on a Mercator Chart
B.A course line that inscribes a loxodromic curve
C.The shortest distance between any two points on the earth
D.The smallest circle that can be drawn on the face of a sphere
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相关考题
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单项选择题
The survey information upon which a chart is based is found （）.
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 -
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 -
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
