| ultramarin marine translations |
| ultramarin.online | ||||
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jaarlijkse verandering van de declinatie | de regelmatige verschuiving van het magneetveld van de aarde over 12 maanden; |  |
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jährliche Änderung der Mißweisung | die regelmäßige Verschiebung des Erdmagnetfelds über 12 Monate; | ||
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annual variation of declination annual magnetic variation magnetic annual variation |
the small regular fluctuation in the Earth's magnetism, having a period of 1 year; | ||
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variation annuelle de la déclinaison | |||
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variación anual de la declinación magnética | |||
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variazione annuale della declinazione | |||