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.
利用极坐标系及矢量代数对极坐标系下的平面曲线电流，在其极点处的磁感应强度进行了推导，得到了此类问题的通用公式。
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.
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。