名词
中文翻译：正电子光谱仪
同义词：
['positron-emission tomograph', 'positron-emission tomograph', 'positron-emissiontomograph']
例句：
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1. The positron spectroscope was used to detect the presence of radioactive isotopes in the sample.
正电子光谱仪被用来检测样本中放射性同位素的存在。
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2. The positron spectroscope is a powerful tool for studying the properties of matter.
正电子光谱仪是研究物质性质的强大工具。
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3. The positron spectroscope has revolutionized the field of nuclear medicine by providing more accurate measurements of radioactivity.
正电子光谱仪通过提供更准确的放射性测量，彻底改变了核医学领域。