正电子断层扫描仪进行人体扫描的时候，病人被注入正电子放射性核素，然后推入检测环。
During a PET scan, the patient is injected with radioactive tracer molecules that emit positrons when they decay.
冷冻电子断层扫描(Cryoelectron tomography)聚焦于细胞的成分，使得科学家能够获知整个细胞组织原子水平的细节。
Cryoelectron tomography brought into focus the cell's components, allowing scientists to get atomic-level detail of whole-cell organization.
当你冥想时，你的大脑思维变得更秩序井然，而且更易清楚表达你自己，这都可以用脑动电流图(EEG)核磁共振成像(MRI)正电子发射计算机断层扫描(PET)等方法来扫描，看出你大脑的变化。
When you meditate, your brain becomes more ordered and coherent in ways that can be measured using EEGs, MRIs and PET scans.
医学科学家使用一种处于艺术状态的电子计算机横断层扫描仪（state-of-the-art CAT-scanner）对图坦卡蒙的遗体作初始的放射学分析，马克尔说。
Medical scientists used a “state-of-the-art CAT-scanner” to perform initial radiological analysis on Tut, says Markel.
该小组还收集了啄木鸟头骨的计算机断层扫描和扫描电子显微镜分析，在细节上梳理出骨密度不同的各部分如何结合在一起。
The team also gathered computed tomography and scanning electron microscope analyses of woodpecker skulls, laying out in detail how the parts fit together and where bone density varied.
目的探讨正电子发射断层扫描（PET）在恶性胶质瘤治疗后疗效观察及预后评价中的作用。
Objective To investigate the value of positron emission tomography (PET) in testing the treatment efficacy and the role of predictive evaluation in malignant gliomas.
目的探讨头部电子计算机断层扫描（ CT）和磁共振成像（MRI）对高血压脑病的诊断价值。
Objective To investigate the features of cranial CT and MRI in the patients with hypertensive encephalopathy.
通常是应用现代的成像技术来进行研究，比如电脑断层扫描，正电子发射断层扫描技术，以及功能性核磁共振成像，正如我之前所说，这些技术可以让你看到大脑的活动区域。
Typically, these are recent imaging methods like CAT scan and PET scan and fMRI which, as I said before, show parts of your brain at work.
目的：分析35例胰腺癌患者电子计算机断层扫描(CT)征象，以探讨常规ct对胰腺癌的早期诊断。
Objective: to study the signs on computed tomography (c t) of pancreatic carcinoma in 35 patients and evaluate the significance of conventional ct in early diagnosis of pancreatic carcinoma.
目的：分析35例胰腺癌患者电子计算机断层扫描(CT)征象，以探讨常规ct对胰腺癌的早期诊断。
Objective: to study the signs on computed tomography (c t) of pancreatic carcinoma in 35 patients and evaluate the significance of conventional ct in early diagnosis of pancreatic carcinoma.
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