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传声器通用规范
General specification for microphones
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声系统设备.第4部分：传声器测量方法
Sound system equipment.Part 4:Methods of measurement for microphones
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数字电视广播业务信息规范
Specification of service information for digital television broadcasting
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数字电视广播电子节目指南规范
Specification of electronic programme guide for digital television broadcasting
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车载音视频系统通用技术条件
General technical specification for audio video system on board
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地面数字电视广播传输系统实施指南
Implementation guidelines for transmission system of digital terrestrial television broadcasting
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VHF/UHF频段地面数字电视广播频率规划准则
Frequency planning criteria for digital terrestrial television broadcasting in the VHF/UHF bands
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视听,视频和电视设备及系统维护与操作的安全要求
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电视中间频率
Intermediate frequencies of television
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PAL-D制电视广播技术规范
Characteristics of PAL-D television broadcasting system
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