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.
利用地磁場模型資料，計算和分析了公元0～2000年的地磁場偶極子磁矩和地磁北極位置的長期變化。 返回 secular variation of geomagnetic field