利用地磁场模型资料，计算和分析了公元0 ~ 2000年的地磁场偶极子磁矩和地磁北极位置的长期变化。
With geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic North Pole during the year 0 ~ 2000 a.
用国际参考地磁场模型（IGRF）分析了地磁场能量在地球内部的分布及其长期变化。
The eighth generation of the International Geomagnetic Reference Filed (IGRF)is used to study distribution of geomagnetic energy in the Earths interior and its secular variations.
应用推荐