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江苏省引入第二长途交换单元网路组织的研究冯雄施锦方汪衣冰(江苏省邮电规划设计院南京210013)江苏省位于我国大陆东部沿海中心,地处长江下游地区,东临黄河,西连安徽,北接山东,东南与上海和浙江毗邻。全省总面积为1026万平方公里,划分成南京、无锡、...
Research on the Network Organization of Introducing the Second Long-distance Exchange Unit in Jiangsu Province FENG Xiong, SHI Jin-fang, WANG Yi-bing (Jiangsu Provincial Planning and Design Institute of Posts and Telecommunications, Nanjing 210013) Jiangsu Province is located in the eastern coastal area of mainland China. It is located in the lower reaches of the Yangtze River, Anhui, north of Shandong, southeast of Shanghai and Zhejiang adjacent. The province’s total area of 102,600 square kilometers, divided into Nanjing, Wuxi, ...