比如：存档日期、草稿或版本编号、文件条目鉴定者、卷宗鉴定者、类别代号、登记号、生成者名称等。

Examples: archival date, draft or version number, record item identifier, dossier identifier, class code, registration number, name of creator.

youdao

如果你能提供3 - 4位数的字母，数字代号，位于底部的包装，这将使我们能够确定生产日期。

If you can provide the 3-4 digit alpha-numeric code located on the bottom of the packaging, this will allow us to determine the date of manufacture.

youdao

班级：班级代号：导师签名：日期：年月日。

Class: Class No: Signature by Class Advisor:...

youdao