1.5 Maxwell’s equations impossibly used as a proper mathematicphysical model

According to the above-mentioned discussion,ρ(x) and J(x,t),defined as twoindependent sources to excite electromagnetic field or two independent variables of the formalsystem,should be regarded as two totally distinct or necessarily independently existing ......（本文共 7575 字 , 7 张图）     [阅读本文] >>