His eyes acquired some vivacity when they rested on his books, and he smiled when he gazed at the Diogenes Laertius, which was a unique copy.

当他注视他那些书籍时，他的眼睛总是神采奕奕的，在端详那本第欧根尼·拉尔修的作品时，他总面带微笑。

youdao

Thus re-entrant section of code usually must use local variables only in such a way that each and every call to the code gets its own unique copy of data .

因此，代码的可重入区域通常必须使用局部变量，也仅以此方式，每个对这些代码的调用才会有独属于自己的一份数据副本。

youdao

He asked drug producers to tag their products with unique bar codes. Consumers can then use their mobile phones to send a copy of the bar code to the producers to make sure the drugs are authentic.

他让药品商给产品贴上独一无二的条形码，消费者可以用手机把条形码发送给厂家，以验证药品是否真货。

youdao

So, periodically, whenever network traffic permits, the endpoint and the cloud should have a handshake, during which the endpoint updates the cloud with a backup copy of any files unique to that endpoint.

FORBES: The Case For Endpoints

Its unique look and feel is clearly not a copy of what Apple or Google( GOOG) designed for their tablets.

FORBES: Windows 8: Microsoft's Big Gamble

Instead of a traditional key stored in the secure element's memory, every single copy of this chip carries a unique fingerprint within the physical structure of its transistors.

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