2.6.2 A needed and reasonable extension of finite discourse domain

In physics,while only a singular charge set is discussed,it seems necessary to regard arest or unmoving in space domain charge set as simultaneously unvarying in time-varyingdomain. So,as a natural inference of the above-mentioned judgement,the whole form ......（本文共 6620 字 , 10 张图）     [阅读本文] >>