electric intensity vector

基本解释

Making use of the polar coordinates and vector-algebra carried out the universal formula of the magnetic induction intensity at the focus of the polar coordinates plane curve electric current.
利用極坐標系及矢量代數對極坐標系下的平麪曲線電流，在其極點処的磁感應強度進行了推導，得到了此類問題的通用公式。
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.
麥尅斯韋方程中有某些特性是恒定不變的――磁場強度、電位移場以及描述電磁場電通量的坡印廷矢量。