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1.The study of isotopes is crucial for understanding the origins of life on Earth.
研究同位素对于理解地球上生命的起源至关重要。
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2. The researchers discovered a new type of isotope that could be used to detect pollution in water.
研究人员发现了一种新的同位素，可以用来检测水中的污染。
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3.The isotopes were analyzed using advanced techniques to determine their chemical properties.
通过先进的技术分析同位素，以确定它们的化学性质。