Funded by the Natural Science Foundation Project of CQCSTC(No.cstc2012jj A50018);the Basic Research of Chongqing Municipal Education Commission(No.KJ120631);the Science Research Foundation Project of CQNU(No.16XYY31)
It is explored that the line integral is a path independent in two or three arbitrary dimensional orthogonal curvilinear coordinate systems, which is based on the integral condition with the path independent in two or...