这项技术非常敏感，甚至能够在十的十五次方（一千万亿）个普通碳原子中找到一个放射性碳原子。
The technique is so sensitive that it can detect a single radioactive carbon atom hiding among a quadrillion (one million billion) ordinary ones.
一些理论物理学家认为宇宙的量子本质应该在“普朗克常数”范围内：即十的负三十五次方米，而一毫米才不过十的负三次方米。
Some theories suggest that the quantum nature of space should manifest itself at the ‘Planck scale’: the minuscule 10-35 of a metre, where a millimetre is 10-3 m.
一些理论物理学家认为宇宙的量子本质应该在“普朗克常数”范围内：即十的负三十五次方米，而一毫米才不过十的负三次方米。
Some theories suggest that the quantum nature of space should manifest itself at the ‘Planck scale’: the minuscule 10-35 of a metre, where a millimetre is 10-3 m.
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