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Before the Atlantic crossing, the captain ordered a full compass swing to determine deviation coefficients and record the residual deviations.
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Before the Atlantic crossing, the captain ordered a full compass swing to determine deviation coefficients and record the residual deviations.
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Related words
compass swing
Noun
uncountable
Japanese Meaning
船舶や航空機のコンパスの偏差（ずれ）を測定し、補正係数を算出、さらに残留偏差を記録する作業。コンパスを回転させる操作により行われ、現在はコンピュータで実施される。
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