§,8.4万的高斯定理Gauss's Theorem for D l.电位移D(electric displacement) (1)定义: D=8E+p —电位移 SI单位:C/m2 各向同性介质:D=(1+X)E o8,E 二及 sE§8.4 的高斯定理Gausss Theorem for D D 1.电位移 D (electric displacement) D E P = 0 + r E = 0 E = ⑴定义: ——电位移 D E (1 ) 各向同性介质: = 0 + SI单位: C/m2