名词
中文翻译：同位素丰度
同义词：
['isotopic abundance', 'isotopic composition']
例句：
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1. The study ofdeuterogamy is crucial for understanding the origins of life on Earth.
研究同位素丰度对于理解地球上生命的起源至关重要。
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2. The abundance of deuterium in the water suggests that it was not formed naturally.
水中氘的丰富表明它不是自然形成的。
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3. The isotopic composition of the rocks indicates that they were formed over millions of years.
岩石的同位素组成表明它们是在数百万年中形成的。