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研究者们对24个被试的脑部进行了核磁共振扫描，他们的胳膊都背加热到中度疼痛。
Researchers performed functional MRI scans on the brains of 24 subjects who were having an arm heated to the point of moderate pain.
研究者们对24个被试的脑部进行了核磁共振扫描，他们的胳膊都背加热到中度疼痛。
Researchers performed functional MRI scans on the brains of 24 subjects who were having an arm heated to the point of moderate pain.
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