并从规范场论的角度出发进一步讨论了磁势的物理意义。

And the physical meaning of magnetic potential is further discussed from the Angle of the canonical field theory.

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根据虚位移原理，推导出基于矢量磁势的电磁力计算公式。

According to the principle of virtual-work, the formula of electromagnetic force based on magnetic vector potential is deduced.

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本文从电磁势的规范变换出发引入第五维空间和一个新场量。

The four-dimensional space-time of special relativity is augmented with a fifth dimension to take into account the gauge transformation of the electromagnetic potentials.

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