Z (Changes in the Vertical field) for the sudden storm commencements and geomagnetic bays to the northeast and southwest of this line appear opposite in signs.
此线的东北与西南，地磁湾扰、磁暴急始等短周期事件垂直分量的变化△z呈现反号。
Weak magnetic signal changes and metal magnetic memory effects of steel tensile samples under the excitation of geomagnetic field were studied.
研究地磁场环境中钢试件在动拉伸载荷作用下表面弱磁信号的变化以及磁记忆效应。
The presumably arise from small changes in either of the two Processes, which give the dynamo action, or both, decay time for the main dipole part of the geomagnetic.
这种变化当是起因于能产生发电机活动的这两个过程之一。或者是两个过程中的小变化。
The presumably arise from small changes in either of the two Processes, which give the dynamo action, or both, decay time for the main dipole part of the geomagnetic.
这种变化当是起因于能产生发电机活动的这两个过程之一。或者是两个过程中的小变化。
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