ISBN: 9787115114587 - 【按需印刷】-电信网与电信业务 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback Pages Number: 286 variety of telecommunications networks. the basic concepts. principles. network structure. related agreements and business functions. so that readers have a comprehensive general understanding of the various telecommunications networks and telecommunications business. The book is divided into five parts of the introduction. transmission network. telecommunication services. networks. telecommunications support network and telecommunications developm.…