YD 5098-2005.Specifications of Engineering Design for Lightning Protection and Earthing Design for Telecommunication Bureaus(Stations).1总则1.0.1为防止和减少雷电对通 信局...
GA 362-2009.Material for police uniform-Waterproof and moisture penetrable laminating fabric.1范围GA 362规定了警服用防水透湿复合布的要求、试验方法、检验规则...
GA 357-2009.Material for police uniform-Coagulation fabric for raincoat.1范围GA 357规定了警服用聚氨酯湿法涂层雨衣布的要求、试验方法、检验规则、标志包...
YD/T 5143-2005.Specifications of Engineering Design for 26GHz Local Multipoint Distribution System.1总则1.0.1YD/T 5143适用于新建26GHz频段FDD方式本地多点分配系统(L...
GA 270-2009.Accessories for police uniform-Cap insignia.1范围GA 270规定了瞥用服饰帽徽的要求、试验方法、检验规则及标志、包装、运输与贮存。GA 270适...
GY/T 167-2000.Synchronizing reference signals for the component digital studio.1范围GY/T 167规定了符合GB/T14857和GB/T17953的数字分量演播室或设备的同步基准信号...
GY/T 168-2001.Specification of the format for audio data files in broadcasting The broadcast wave for mat( BWF ).1 范围GY/T 168规定了一种专业广播领域内的数字音频文...
GY/T 220. 1-2006.Mobile Multimedia Broadcasting Part 1: Framing Structure, Channel Coding and Modulation for Broadcasting Channel.GY/T 220. 1规定了在30MHz ~3000MHz的频率范围内...
GY/T 220. 2-2006.Mobile Multimedia Broadcasting Part 2: Multiplexing.GY/T 220. 2规定了移动多媒体广播系统中视频、音频、数据与控制信息的复用帧结构。GY...
GY/T 220. 3-2007.Mobile multimedia broadcasting-Part 3: Electronic service guide.GY/T 220. 3规定了移动多媒体广播系统中电子业务指南的数据结构、封装和传输方...
