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现代科学技术的进步使计算机及网络技术飞速发展,强大的计算机系统和网络通信能力为人类提供了广阔的信息化应用,各种智能化建筑层出不群,对网络带宽的要求越来越高,信息传输介质也在不断更新改进。
The advancement of modern science and technology has enabled the rapid development of computer and network technology. The powerful computer system and network communication capabilities have provided a vast information application for mankind. The various intelligent buildings are not isolated from one another, and the requirements for network bandwidth are getting higher and higher , Information transmission media are constantly updated and improved.