用CT扫描副栉龙的冠饰，我们会发现这种动物会发出低频音，可以传向浓密的丛林深处。
CT scans of Parasaurolophus' crest reveals the animal likely trumpeted low-frequency sounds that traveled well within a dense forest environment.
通过扫描电子显微镜（SEM）和表面轮廓仪分析配副材料的磨痕表面形貌。
The morphology of worn surface was analyzed via scanning electron microscope (SEM) and by using a surface profilometer.
目的评价CT扫描在副鼻窦疾病诊断中的应用价值。
Objective To evaluate the application value of ct scan for paranasal sinus diseases diagnosis.
方法：分别对随机分组的副鼻窦病变采用轴位加重建45例，冠状位45例，进行扫描，对比其对诊断的优越性。
Methods In the contrast study, CT axial scanning plus reconstruction was performed in 45 randomized cases and so was coronal scanning in 45 randomized cases of accessory sinus lesions.
目的：利用螺旋ct多平面重组技术探讨副鼻窦轴位扫描能否代替直接冠状位扫描。
Objective: to study the usefulness of ct MPR in diagnosis of paranasal sinuses diseases, and to discuss whether the ct MPR can replace the direct coronal scanning.
目的：分析副鼻窦病变CT扫描轴位片与冠状位片的优劣，探讨鼻窦扫描方法的最佳选择。
Purpose To select the best scanning method for accessory sinus lesions by comparing the advantages with the disadvantages of ct axial films and coronal films.
材料与方法：对80例颅脑CT扫描结果阴性的头痛患者增加副鼻窦螺旋CT扫描，并作模拟内窥镜。
Materials and Methods: 80 headache cases with negative CT result were applied paranasal sinus spiral CT and virtual endoscopy.
计算结果表明，互耦和失配对扫描波束副瓣的影响并不严重(仅影响第一副瓣)，而对远副瓣的影响可忽略不计。
It shows that mutual coupling and mismatch don't have a significant effect on the sidelobe level of scanned pattern. It only affects th...
计算结果表明，互耦和失配对扫描波束副瓣的影响并不严重(仅影响第一副瓣)，而对远副瓣的影响可忽略不计。
It shows that mutual coupling and mismatch don't have a significant effect on the sidelobe level of scanned pattern. It only affects th...
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