名词
中文翻译：同位素分离因子
同义词：
['isotopic separation factor', 'isotope separation ratio']
例句：
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1. The scientists usedthe isotopes to determine the age of the rocks.
科学家们使用同位素来确定岩石的年龄。
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2. The isotopes were separated using a mass spectrometer.
使用质谱仪分离了同位素。
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3.The isotopes were analyzed to understand their chemical properties.
分析了同位素以了解它们的化学性质。