marine geomagnetic survey

例句：

1. 1.The marine geomagnetic survey is crucial for understanding the Earth's magnetic field.
   海洋磁测调查对于理解地球磁场至关重要。
2. 2.This new technique will greatly improve our understanding of the marine geomagnetic survey.
   这项新技术将大大提高我们对海洋磁测调查的理解。
3. 3.The marine geomagnetic survey has revealed some previously unknown geological features in the ocean.
   海洋磁测调查揭示了海洋中一些之前未知的地质特征。