名词
中文翻译：同位素质量比
同义词：
['isotopic mass ratio', 'isotope ratio例句：1. The isotopes of uranium are used in nuclear reactors to produce energy.（铀的同位素用于核反应堆中产生能量。）']
例句：
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1. The isotopes of uranium are used in nuclear reactors to produce energy.
铀的同位素用于核反应堆中产生能量。
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2.The isotopes of carbon have different chemical properties due to their different mass numbers.
碳的不同同位素由于其不同的质量数具有不同的化学性质。
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3.The isotopes of gold are used in jewelry and currency because they have higher melting points.
金的不同同位素因为更高的熔点被用于珠宝和货币。