electric intensity vector

基本解釋

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(biāo)系及矢量代數(shù)對極坐標(biāo)系下的平麪曲線電流，在其極點(diǎn)処的磁感應(yīng)強(qiáng)度進(jìn)行了推導(dǎo)，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(qiáng)度、電位移場以及描述電磁場電通量的坡印廷矢量。