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______refers to the angle between true north and the heading line of the vessel．
A.True position
B.True meridian
C.True course
D.True bearing
参考答案
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variationB
deviationC
compass errorD
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deviationB
variationC
compass errorD
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单选题The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm （）.A
to the right of the storm's trackB
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measured from true north counterclockwise to 180°TD
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单选题The horizontal angle between the magnetic meridian and the north-south line of the magnetic compass is（）.A
deviationB
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compass errorD
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compass errorB
latitudeC
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an inferior planet is at the maximum angle to the line of sight to the SunD
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indicates the vessel's headingC
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单选题（）refers to the angle between true North and heading line of the vessel.A
True positionB
True meridianC
True courseD
True bearing
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The line below the tropical load waterlineD
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单选题To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.A
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单选题Compass error is equal to the（）.A
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variation plus compass courseC
combined variation and deviationD
difference between true and magnetic heading
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