ICS01.140.20 A14 广州市地方标准 DB4401/T50.1—2020 代替DBJ440100/T121.1—2012 声像档案质量要求 第1部分：照片 Qualityrequirementsfortheaudio-visualarchives —Part1:Photos 2020-06-08发布 2020-07-01实施 广州市市场监督管理局发布DB4401 GZZW DB4401/T50.1—2020 I目次 前言.......................................................................................................................................................................Ⅲ 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4分类...................................................................................................................................................................2 5收集...................................................................................................................................................................2 6质量要求...........................................................................................................................................................3 7检测方法...........................................................................................................................................................7