名词
中文翻译：同位素组成
同义词：
['isotope composition', 'isotopic makeup例句：1. The study of isotopic constitution is crucial for understanding the origins of life on Earth.（研究同位素组成对于理解地球上生命的起源至关重要。）']
例句：
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1. The study of isotopic constitution is crucial for understanding the origins of life on Earth.
研究同位素组成对于理解地球上生命的起源至关重要。
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2.The isotopic constitution of the sample was analyzed to determine its origin.
对样本的同位素组成进行了分析，以确定其来源。
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3. The isotopic makeup of the rocks in the area has been studied to understand their geological history.
该地区岩石的同位素组成已被研究，以了解其地质历史。