In the simplest case, one obtains a system with two energy states, a so-called quantum bit or qubit.

在最简单的情况下，一个系统有两个能量状态，即所谓的量子比特或昆比特。

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One of the marvelous little wrinkles of the quantum world is a condition known as superposition, in which a particle can occupy two states at the same time.

量子世界的一个小小的令人惊奇的是一种被称作叠加态的状态。在这种状态下，一个粒子可以同时占据着两种状态。

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The peculiar advantage of quantum bits is that thanks to the strange laws of quantum physics, they can be in two states at once — both one and zero simultaneously.

量子位的优势在于量子物理的独特法则，它们可以同时处在两种不同的状态——既是0也是1。

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Each atom could be in one of two quantum states, which served as the 1 and 0.

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It was part of a thought experiment intended to illustrate the bizarre nature of the quantum world, in which particles can persist in two states at once and, as a consequence, a cat can be both dead and alive.

ECONOMIST: The 2012 Nobel prizes