While this is valid XML, it does not represent the true meaning of a vehicle identification number, the unique id of a car.

虽然这是有效的XML，然而它并没有表示车辆识别号(即汽车的惟一id)的真实意义。

youdao

The id attribute is the Digg identification number of the article.

id属性是文章的Digg识别号。

youdao

Like a serial port, each USB port on a computer is assigned a unique identification number (port id) by the USB controller.

像串行端口一样，计算机上每一个usb端口都由US b控制器指定了一个惟一的标识数字(端口id)。

youdao

Provisional ballots are issued in Ohio when voters lack proper identification or are using the last four digits of a Social Security number as proof of ID.

CNN: Movie star among voters running into problems