secular variation of geomagnetic field
常见例句
- 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.
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。 返回 secular variation of geomagnetic field