paleomagnetics

例句：

1. 1. Paleomagnetic studies have provided valuable insights into the Earth's past magnetic field.
   古磁性研究为地球过去磁场提供了宝贵的见解。
2. 2. The paleomagnetism of the rocks in the area is still being studied to understand their formation process.
   该地区岩石的古磁性仍在研究中，以了解其形成过程。
3. 3. Paleomagnetic data has been used to reconstruct the Earth's history and predict future changes in its magnetic field.
   古磁性数据被用来重建地球的历史并预测未来其磁场的变化。