名词
中文翻译：同位素活性线
同义词：
['isotope activity line', 'isotopic activity line']
例句：
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1. The isotopic activity line is a crucial tool for studying the behavior of radioactive materials.
同位素活性线是研究放射性材料行为的关键工具。
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2.The isotopic activity line helps us to understand the distribution of different isotopes in the Earth's crust.
同位素活性线帮助我们理解地球地壳中不同同位素的分布。
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3. The isotopic activity line is used to measure the amount of radioactive material released into the environment.
同位素活性线用于测量释放到环境中的放射性材料的量。