一、概述.............................................................................................. 278
（一）目的...................................................................................... 278
（二）适用范围..............................................................................278
（三）规范性引用文件..................................................................278
（四）术语定义..............................................................................279
二、数据资源目录..............................................................................280
（一）数据资源目录分类..............................................................280
（二）数据资源目录编码..............................................................281
（三）数据资源目录管理..............................................................283
三、元数据要求.................................................................................. 287
（一）业务元数据要求..................................................................287
（二）技术元数据要求..................................................................289
（三）管理元数据要求..................................................................292
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