麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
正如Saltzberg所说，自james Clerk Maxwell(詹姆士·克拉克·麦克斯韦)首先提出他那著名的四个描述电磁场的方程以来，科学家们便着迷于磁单极子的探查中。
As Saltzberg says, scientists have been tantalized by the prospect of magnetic monopoles since James Clerk Maxwell first formulated his famous four equations describing electromagnetism.
本文运用叠加原理，从麦克斯韦方程的积分形式出发推导出在交变电磁场中储藏在电容器中的电场能量，并且指出了决定电容器电容数值的因素。
The energy of electric field stored in the capacitor placed in an alternating electromagnatic field is concluded by using the principle of superposition and by starting with Maxwell equations.
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