让她们进行一项电脑测试，对答对者可获得一定酬金。同时，研究者们利用磁共振脑功能扫描观察她们的大脑内部状态。
At the same time, the researchers observed what was going on inside the mind using a type of brain scan called functional magnetic resonance imaging.
在射频消融术中，通过诸如超音波，电脑断层扫描(CT)或磁共振成像(MRI)来帮助指导一个电极针进入癌肿瘤内部。
In radiofrequency ablation, imaging techniques such as ultrasound, computed tomography (ct) or magnetic resonance imaging (MRI) are used to help guide a needle electrode into a cancerous tumor.
这一理论出自加拿大的研究员，他们用磁共振扫描仪观察手指内部，记录在指关节发出响声时里面发生了些什么。
The theory comes from Canadian researchers who used MRI scanners to peer deep inside the fingers and record just what happens when knuckles are cracked.
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