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中教育星教育城域网解决方案 第一章 前 言 1.1 引言 人类已经跨入二十一世纪，初见端倪的知识经济不仅预示着经济社会生活将发生新的巨大变化，更预示着信息社会已经来临。信息的获取、分析、-education MAN-education solutions first chapter foreword 1.1 INTRODUCTION Mankind has entered the 21st century, has shown signs of emerging knowledge-based economy not only indicates the economic and social life there will be a significant change, but also predicts the advent of the information society. Access to information, analysis,
