摘要
ISDN的发展水平目前已成为衡量一个国家乃至一个地区信息产业建设的标准以及综合实力。本文通过ISDN的提出,ISDN的基本概念及特点以及窄带ISDN与宽带ISDN的比较,介绍了ISDN的有关知识。并阐述了世界范围内ISDN的建设现状。
Nowadays,the level of development forIntegrated Services Digital Network(ISDN)hasbecome a criterion for measuring a nation and aregion's comprehensive strength in informationconstruction.This paper provides a general in-troduction in respect of the basic concepts,char-acteristics,and comparison berween the Broadand Narrow ISDN.The present state of develop-ment and construction of ISDN in our countryand in the world is also elucidated here.
出处
《管理信息系统》
1997年第2期34-37,共4页
Management Information Systems China
