Level of state of domain of technology of catenary of first area piece is released

CCTV network news (news broadcast) :

Level of state of domain of technology of first area piece catenary is released

Level of state of domain of technology of catenary of first area piece of our country — ” framework of area piece catenary and reference of technology of distributed charge to an account ” release formally recently. The standard is normative element of the functional framework of system of area piece catenary, core, perfect system of area piece catenary, choice to use service of area piece catenary to provide reference to unite concept of area piece catenary, construction how-to.