GY中华人民共和国广播电视和网络视听行业标准GY/T351—2021广播电视和网络视听收视综合评价数据脱敏规则MaskingrulesofradioTVandinternetvideoandaudioservicebigdataforcomprehensiveevaluation2021-05-31发布2021-05-31实施国家广播电视总局发布GY/T351—2021I目次前言..................................................................................II1范围...........................................................