维护国民及消费者权益 Safeguard the rights and interests of the public and the consumer 抽样调查 Sampling 数字电视之卫星与有线传输标准 Satellite and Cable Transmission Standards for Digital Television 卫星新闻搜集 Satellite News Gathering （简称 SNG） 卫星广播电视事业 Satellite Radio & TV 救援异频雷达收发机 Save and Rescue Transponder (简称 SART) 搅拌