Introduces the magnetic scalar potential method solving boundary-value problems of magnetic field generated by steady electric current is introduced.

介绍了用磁标势求解稳恒电流磁场边值问题方法、步骤。

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According to characteristics of, magnetic fied, the boundary of Junggar block was confined, and according to data of magnetic field, a new classification was done of the geotectonic divisions.

根据磁场特征圈出准噶尔地块边界。依据磁场资料重新划分了大地构造分区。

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In this paper a formula of magnetic field for a single magnetic relief boundary is deduced based on the potential field theory and the principle of the equivalent source.

本文基于位场理论以及等效源原理，推导出单层磁性起伏界面的磁场公式。

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The Sun's changeable magnetic field is generated at the boundary between these two layers, where strong electric currents flow.

BBC: Sun, Trace