组标识符

例句：

1. 1. The identifiers on the label are for identification purposes only.
   标签上的识别符仅用于识别目的。
2. 2.The tagger used to identify the stolen items was caught red-handed.
   用来识别被盗物品的标签工被当场抓获。
3. 3.The identification process involves comparing DNA samples to databases.
   鉴定过程涉及将DNA样本与数据库进行比较。