The method of regional geomagnetic field modeling is adopted in order to prepare for the reference map of geomagnetism-aided navigation and positioning.
针对性对地磁辅助导航定位中基准图制备的需要，采用了建立区域地磁场模型的方法。
The method of regional geomagnetic field modeling is adopted in order to prepare for the reference map of geomagnetism-aided navigation and positioning.
针对性对地磁辅助导航定位中基准图制备的需要，采用了建立区域地磁场模型的方法。
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