名词
中文翻译：正电子扫描
同义词：
['positron emission tomography (PET) scan', 'positron emission tomography (PET) imaging']
例句：
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1.This is the first time we've used this new device for positron scanning.
这是我们第一次使用这个新设备进行正电子扫描。
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2. The positron scanning results showed that there was a significant increase in tumor size.
正电子扫描结果显示肿瘤大小显著增加。
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3. The patient underwent positron scanning to detect any abnormalities in their brain.
患者接受了正电子扫描，以检测他们大脑中的任何异常。