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一概述网络是人类文明的标志,网络是人类文明之花盛开的沃土,人类的生存与发展一直依赖网的进步和延伸。在农业时代,水网将地球上的江河湖海连成一体,浇灌和哺育了农业文明之花,使地球上的人和其它一切生命繁衍不息,使种植业不断发展并延续至今。在工业化时代出现了以“路”网和“电”网,充分而又高效地利用了地球上的物质资源和动力资源,以制造业和运输业为主体创造了一个工业文明时代,还造就了一个与大自然并驾齐驱的人工世界。如今,人类文明又跨入了信急时代,也叫信息
An overview of the network is a symbol of human civilization. The Internet is a fertile ground for the blossoming of human civilization. The survival and development of humankind has always depended on the progress and extension of the Internet. In the era of agriculture, the water network connected the rivers, seas, and seas of the Earth into one, watering and nurturing the flowers of agricultural civilization, making people and all other lives on Earth prosper, and making the planting industry continue to develop and continue. In the era of industrialization, the “roads” and “electricity” networks have emerged, fully and efficiently used the material resources and power resources on Earth, and created an industrial civilization era with manufacturing and transportation as the main body. It also created an artificial world that goes hand in hand with nature. Today, human civilization has entered the era of emergency, also called information.