1.1.2 Exact certification on the physical connotation of current as a formal quantity

Besides,another prerequisite problem we should primarily solve will rest with how toexactly identify the real physical connotation of a given current distribution J(x,t),which isone of the two independent variables in the formal system. When another indep ......（本文共 4904 字 , 1 张图）     [阅读本文] >>