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邮电部信息系统技术规范(暂行规定)
价格:¥0.00
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公安会议电视系统技术规范
Technical specifications of videoconferencing systems for public security
价格:¥0.00
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城市公共交通通信系统
Communication system for urban public transport
价格:¥0.00
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电信设备强制性认证实施规则 电信终端设备
价格:¥0.00
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基于感知测度的军用通信设备客观音质评价方法
Method of objective speech quality assessment based on a perceptual measure for military communication equipments
价格:¥0.00
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基于软交换的媒体服务器测试方法
Testing methods of media server based on soft switch
价格:¥0.00
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基于软交换的媒体服务器技术要求
Technical specification for media server based on soft switch
价格:¥0.00
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基于软交换的综合接入设备技术要求
Technical specification for IAD based on soft switch
价格:¥0.00
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