1、数据元的定义
数据元是用一组属性描述其定义、标识、表示和允许值的数据单元，数据元是组成实体数据的最小单元，数据元也称原子数据，数据元由对象、特性和表示三部分组成。
2、数据元的作用
数据元作为最小颗粒度的数据，数据元是对数据进行标准化定义的基础，数据元也是构建统一、集成、稳定的行业数据模型的基础。在企业数据治理中，数据元是需要标准化的对象，一个数据元对象有且只有一个数据特性，每个数据特性对应一个数据表示。
英文翻译：
- Definition of data elements
Data element is a data unit that uses a set of attributes to describe its definition, identification, representation and allowable values. Data element is the smallest unit of entity data, and data element is also known as atomic data. Data element is composed of object, feature and representation.
- The role of data elements
Data element as the smallest granularity of data, data element is the basis for the standardized definition of data, data element is also the basis for building a unified, integrated and stable industry data model. In enterprise data governance, data elements are objects that need to be standardized. A data element object has and only one data feature, and each data feature corresponds to a data representation.
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