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2005年,信息产业部共颁布通信技术标准125项,其中通信行业标准(编号为YD/T)121项,通信技术规定(编号为YDN)两项,参考性技术文件(编号为YDC)两项。这些标准由人民邮电出版社出版发行(参考性技术文件由中国标准化协会推进部出版)。邮购咨询电话:010-68372878,67129211。51.Y D/T1
In 2005, the Ministry of Information Industry promulgated a total of 125 communications technology standards, including 121 communications industry standards (numbered YD / T), two communications technology specifications (number YDN) and two reference technical documents (numbered YDC) . These standards are published by the People’s Posts and Telecommunications Press (reference technical documents published by the China Association for Standardization Promotion). Mail order advice Tel: 010 -68372878,67129211.51.Y D / T1