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pa·le·o·mag·net·ism AHD[pā'lē-ō-măgʹnĭ-tĭz'əm] D.J.[ˌpeɪliːəʊˈmægnɪˌtɪzəm]K.K.[ˌpelioˈmægnɪˌtɪzəm]n.（名词）- The earth's magnetic field as it existed in the past.古地磁：存在于地球古代的磁场
- The magnetic field present in fossilized rocks, created by the earth's magnetic field when the rocks were formed.古地磁：存在于化石中的磁性，于岩石生成时受地磁影响而产生
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