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1·Computer tomography; Perfusion imaging; Radiation dosage.

计算机断层成像；灌注成像；辐射剂量。

2·Postoperative computer tomography scan done in 2 patients confirmed complete extirpation of the nidus.

术后有2名患者进行CT扫描证实病灶完全切除。

3·The method is tested to be useful in the finite element modeling based on 3d computer tomography images or surface model.

对于基于3维断层图像或表面模型进行有限元建模，该方法不失为一种行之有效的好方法。

4·Overcome the shortcoming of traditional X ray residual stress measuring techniques, X ray computer tomography is presented.

针对传统X射线残余应力检测技术，提出了X射线断层扫描测定法。

5·Purpose: To evaluate the role of spiral computer tomography angiography (SCTA) in the diagnosis of Pulmonary Embolism (PE).

目的：评价螺旋CT血管造影（SCTA）在诊断肺动脉栓塞（PE）中的作用。

6·Objective To evaluate the role of computer tomography pulmonary angiography(CTPA)in the diagnosis of Pulmonary Embolism(PE).

目的评价CT肺血管造影（CTPA）在诊断肺动脉栓塞（PE）中的作用。

7·Two common methods that are used for brain imaging are a computer tomography (CT) scan and a magnetic resonance imaging (MRI) scan.

两个可用于脑成像常用的方法是计算机断层扫描(CT)扫描和磁共振成像(MRI)扫描。

8·Objective To evaluate the diagnostic value in liver cirrhosis with portal hypertension between ultrasound and computer tomography (CT).

目的超声与CT对照在肝硬化门静脉高压症中的诊断应用。

9·OBJECTIVE to investigate the characteristic computer tomography (ct) changes in cases of one-sided chronic ethmoid-maxillary sinusitis.

目的探讨单侧筛上颌窦炎性病变的CT特征。

10·Objective to evaluate the value of incremental dynamic enhanced computer tomography (ct) in diagnosis of solitary pulmonary nodules (SPN).

目的评价同层CT动态增强扫描技术在肺孤立性结节诊断中的价值。