所有这此电磁波都受麦克斯韦大约于150年前创立的四个数学公式的支配。
All these electromagnetic waves are governed by four mathematical expressions established almost 150 years ago by James Clerk Maxwell.
以半无限大平板导体为例，直接从麦克斯韦方程推导出涡流电流密度计算的积分公式。
Taking the example of a half-infinite conducting plane, a formula for computing eddy current density is derived directly from Maxwell's equation.
麦克斯韦电磁力公式是求解铁磁物体（磁性物体）所受电磁力的两公式之一。
The Maxwell′s electromagnetic force equation is one of the two equations to calculate electromagnetic force of ferromagnetic objects.
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