This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.

铁块会一直加热，直到到达某一燃点，便会辐射出光来；而当它的光线穿过一块棱柱时，棱柱就会分割光线，形成光谱。

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But in each species, such a sequence will occur in a unique pattern.

但是在每一个物种，象这样的序列将在一个唯一的模式中发生。

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To overcommit memory on a host, we deployed Memknobs onto 32 virtual machines where each instance used memory in a unique pattern.

要在主机上超量使用内存，我们将 Memknobs 部署在 32 台虚拟机上， 每个实例都以独一的模式使用内存。

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It identified him as he walked through a mall by scanning the unique pattern of his iris.

BBC: Big Brother is watching you shop

Mr. Melvin studied the painting, noticing it depicted a unique pattern of roads.

WSJ: Gulags, Nukes and a Water Slide: Citizen Spies Lift North Korea's Veil

By manipulating these parameters, it is possible to insert a unique pattern of information into a file, ideally without altering what it sounds like when played.

ECONOMIST: Digital watermarks