国家由一个编码标识(比如us代表美国)，还有一个名称。

Countries are identified by a code (such as US for the United States) and have a name.

youdao

国家包含地区，地区由一个编码标识(编码常常是数字的，在这个国家内是惟一的)，还有一个名称。

Countries have regions, identified by a (usually numeric) code, unique only within the country, and with a name.

youdao

据此，提出编码主数据模型，在保持编码标识能力的基础上，增加了信息实体的属性元素项，丰富了信息实体的描述。

Accordingly, a main code data model is proposed. It increases information entities attributes and enriches information described while keeping information identity.

youdao