利用河北省地磁台1986 ~ 2005年的地磁观测资料,对该地区地磁场长期变化规律进行总结分析。
According to observation data at geomagnetic stations in Hebei Province from 1986 to 2005, we sum up and analyze the laws of the geomagnetic secular variation in this paper.
利用河北省地磁台1986 ~ 2005年的地磁观测资料,对该地区地磁场长期变化规律进行总结分析。
According to observation data at geomagnetic stations in Hebei Province from 1986 to 2005, we sum up and analyze the laws of the geomagnetic secular variation in this paper.
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