單項選擇題

How is the annual rate of change for magnetic variation shown on a pilot chart?（）

A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown

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單項選擇題

In which source could you find the number of a chart for a certain geographic area?（）

A.Chart No.1
B.Catalog of Charts
C.IMO Practical Navigator
D.IMO Light List

單項選擇題

Isogonic lines are lines on a chart indicating （）.

A.points of equal variation
B.points of zero variation
C.the magnetic latitude
D.magnetic dip

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How is the annual rate of change for magnetic variation shown on a pilot chart?（）

你可能感興趣的試題

In which source could you find the number of a chart for a certain geographic area?（）

Isogonic lines are lines on a chart indicating （）.