The User-Supplied identifier must be normalized into a Claimed identifier, which is just a fancy way to say that the identifier supplied by the user is transformed into a standard form.

用户提供的标识符必须被规范化为声明的标识符，这只是将用户提供的标识符转化为标准形式的一种别出心裁的说法。

youdao

Optionally, CHECK constraints can be defined on the pdbxml table to ensure that the four-character PDB identifier conforms to the PDB standard.

或者，在 pdbxml 表中定义 CHECK 限制以确保这个四字符的 PDB 标识符符合 PDB 标准。

youdao

In the humble URL, we have (in theory, at least) a unique identifier for everything ever published on the web, which includes any apps published on standard websites.

就在不起眼的URL中，我们拥有了(至少理论上是)任何已发布在web上的东西的一个唯一的标识符，这其中包含了已经发布在普通的网站上的任何应用。

youdao

The CFTC for a time appeared to be using the same model for an identifier it required for swaps, but then backed away and said it would wait for the global development of an LEI and call its identifier the CFTC Interim Compliant Identifier (CICI) a sort of LEI Lite which will convert or yield to the LEI standard once it is adopted.

FORBES: Financial LEI's -- Required To Reduce Operational Risk