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受邮电部科技司的委托，邮电部电信科学技术研究院于1997年1月24日至25日，在成都邮电部第五研究所组织召开了鉴定会，对我所研制的“高比特率数字用户环路（HDSL）传输系统”和“实用化2Mbit人彩色数字会议电视系统”的科研样机进行了成果鉴定，并对我所生产的“cnznsz－sz型2
Entrusted by the Ministry of Posts and Telecommunications Technology Department, Ministry of Posts and Telecommunications Institute of Telecommunications Science and Technology in January 24, 1997 to 25, Chengdu Institute of Posts and Telecommunications Fifth Institute held an appraisal, I developed by the “high bit rate digital User loop (HDSL) transmission system ”and“ Practical 2Mbit color digital conference television system, ”the research prototype for the results of identification, and I produced" cnznsz-sz type 2