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。

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Through a mathematical algorithm, a private key is like your electronic identification card; the public key is like the lock or gate mechanism that you present your ID card to.

通过一个数学算法，一个私钥如同您的电子身份证；公钥如同您向其出示身份证的锁或门机制。

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

id属性是文章的Digg识别号。

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Republicans said the law was needed to prevent voter fraud, while Democrats said people who are poor or elderly often do not have such identification and are unable to get the certified birth certificate and other secondary proof of identification needed to get a state-provided ID in Indiana.

NPR: High Court Supports Indiana Voter ID Law