英语词汇“positron emission tomography”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	positron emission tomography
释义	positron emission tomography n. Abbr. PET Tomography in which a computer-generated image of local metabolic and physiological functions in tissues is produced through the detection of gamma rays that are emitted when introduced radionuclides decay and release positrons. positron emission tomography scan of a human brain during sleep
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