youdao

That used to be a simple device, working like a radio-frequency identification tag when it passes under a gantry on a toll road, but it is also getting smarter.

以往这个车载单元只是一个简单的装置，当车辆通过收费公路入口处时，这个装置就起到了一个无线电频率身份识别标签的作用，但这个装置也开始实现智能化了。

youdao

His idea was to generate a unique identification tag for each species based on a short stretch of DNA.

他的构想就是以一小段DNA为基础，为每一个物种创造出一种独一无二的鉴定标签。

youdao

The dog, on whose collar hung an identification tag, tilted his head and panted as if patiently awaiting an explanation.

NEWYORKER: Waiting

The LEI would provide a unique identification tag for every financial services entity and perhaps extend to the financial instruments they issue.

FORBES: Lehman, Lithium and Lettuce -- The Need for Unique Identifiers in Finance

Besides basic identification info, the Top Tag also stores diet, behavior, command, medical, and burial instructions, which can be viewed and edited on any Windows 2000-or-later PC.

ENGADGET: Top Tag Pet ID USB thumb drive