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2001年7月6日，来自国家计委、科技部、信产部、中国电信、中国网通、863的有关领导和专家组成的验收专家组在北京对中国高速信息示范网（863－300）重大课题──“光交叉连接设备（OXC）”和“光分插复用设备（OADM）”进行了集中验收。据介绍，中国高速信息示范网全光网（CAO
On July 6, 2001, a group of experts and experts from the State Development Planning Commission, Ministry of Science and Technology, Ministry of Information Industry, China Telecom, China Netcom, 863 and other experts from the acceptance group in Beijing on China’s high-speed information demonstration network (863-300) The topic of “Optical Cross Connect Equipment (OXC)” and “Optical Add-Drop Multiplexing Equipment (OADM)” conducted a centralized acceptance. According to reports, China’s high-speed information demonstration network All Optical Network (CAO