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1.Positron emission tomography (PET) is a medical imaging technique that uses positron radiation to detect cancer cells in the body.
正电子发射断层扫描是一种医学成像技术,它使用正电子辐射来检测身体内的癌细胞。
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2. In thisstudy, we used positron emission tomography to investigate the effects of exercise on brain function.
在这项研究中,我们使用正电子发射断层扫描来研究运动对大脑功能的影响。
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3.The positron radiation detected by the detector was analyzed to determine the location and intensity of the radiation.
探测器探测到的正电子辐射被分析,以确定辐射的位置和强度。