2.5.5 Complete mathematic physical model used in electrostatics

Let us return to electrostatics. Clearly,as a customarily used dependent variable,Ecannot be directly defined in the no-mass and no-geometry field in physics. Compatibly inlogic,the E must be impossibly used as a proper dependent variable to construct a c ......（本文共 3191 字 , 8 张图）     [阅读本文] >>