A、A.magnetism from the earth's magnetic field
B、B.misalignment of the compass
C、C.magnetism within the vessel
D、D.a dirty compass housing
更多“Compass deviation is caused by（）.”相关的问题
A、the deviation has been offset by the variation B、there is something wrong with the compass C、the compass is being influenced by nearby metals D、there is no deviation on that heading
A、the deviation has been offset by the variation B、there is something wrong with the compass C、the compass is being influenced by nearby metals D、there is no deviation on that heading
A、deviation minus variation B、variation plus compass course C、combined variation and deviation D、difference between true and magnetic heading
A、A.deviation minus variation B、B.variation plus compass course C、C.combined variation and deviation D、D.difference between true and magnetic heading
A、varies depending upon the bearing used B、is the angular difference between magnetic north and compass north C、is published on the compass rose on most nautical charts D、is the angular difference between geographic and magnetic meridians
A、varies depending upon the bearing used B、is the angular difference between magnetic north and compass north C、is published on the compass rose on most nautical charts D、is the angular difference between geographic and magnetic meridians
A、magnetism from the earth's magnetic field B、misalignment of the compass C、magnetism within the vessel D、a dirty compass housing
A、Compass error and variation are equal B、Compass north will be true north C、Variation will equal deviation D、There will be no compass error
A、Compass error and variation are equal B、Compass north will be true north C、Variation will equal deviation D、There will be no compass error
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