电信网网元成本核算理论和方法研究
孔国强; 张真; 林志辉
AStudyoftheConcept&MethodoftheCostAccountingofNetworkCells

KONG Guo qiang; ZHANG Zhen; LIN Zhi hui

Acta Metallurgica Sinica(English letters) . 2000, (4): 5 -8 .