GY/T 348-2021.Specification of prec ision time synchronization protocols for audio and video equipment in a professional broadcast environment.GY/T 348规定了专业广播环境下，...
GA/T 414-2018.Road traffic warning lights.1范围GA/T 414规定了道路交通危险警示灯的分类及命名、技术要求、试验方法、检验规则、设置要求以及包装...
GY/T 350.2-2021.Technical specification for internet video and audio service big data一Part 2: Data element set.GY/T 350.2规定了网络视听收视大数据中的数据元素。G...
GA/T 74-2017.General graphical symbols in security system.1范围GA/T 74规定了安全防范系统工程中常用的图形符号及应用要求。GA/T 74适用于安全防范系统设...
GY/T 350. 3-2021.Technical specification for internet video and audio service big data一Part 3: Interface.GY/T 350. 3规定了网络视听收视大数据提供方对外输出收听收...
GY/T 350.1一2021.Technical specification for internet video and audio service big data一Part 1: General requirements.GY/T 350.1规定了网络视听收视大数据技术规范的总...
GY/T 351-2021.Masking rules of radio TV and internet video and audio service big data for comprehensive evaluation.GY/T 351规定了广播电视和网络视听收视综合评价数据...
GA/T 70-2014.Compiling methods of expense budget for security engineering construction and maintaining service.1范围GA/T 70规定了安全防范工程建设费用与维护保养费用...
GA 1551.5-2019.Requirements for public security and counter-terrorist of petrochemical industry-Part 5:Transport companies.1范围GA 1551.5规定了运输企业的治安反恐重点目...
GY/T 352-2021.Baseline for classified protection of broadcasting cybersecurity.GY/T 352适用于指导分等级的非涉密对象的安全建设和监督管理。对于涉及国家秘...
