2.1.1 A definite expression space endowed with certain material connotation

Well known,the initial formal expression of Coulomb’s is asThe formula expresses the force F acted on a rest mass particle with charge Q and placed in xby another rest mass particle with charge Q′ and situated at position x′. Clearly,whenconsidering the c ......（本文共 9670 字 , 7 张图）     [阅读本文] >>