The traditional ADM or DXC will be substituted by a new kind of network element(NE) in network node. This paper introduces the primary function of SDH NE and its atomic function structure.是什么意思_The traditional ADM or DXC will be substituted by a new kind of network element(NE) in network node. This paper introduces the primary function of SDH NE and its atomic function structure.在线翻译_英语_读音_用法_例句