电脑断层扫描术 是最广为人知的医学技术,主要用于人体内部检查。
Like classical radiology it uses X-rays.
与传统放射学相同,它也使用X射线。
But because the image is constructed inside a computer using shots taken from manydifferent directions, rather than being a single exposure recorded on photographic film, CTcan capture fine detail and record soft tissues that are invisible to classical radiology.
但是因为计算机构建内部图像时采集的是多角度拍摄数据,而不是靠摄影胶片上的单一曝光影像,所以电脑断层扫描术能够捕捉细节并记录下传统放射学无法看到的软组织。
Dr Marschner and his colleagues used a benchtop version of CT, developed for looking at thestructure of materials rather than at human bodies, for their experiment.
马施纳博士及其同事们采用了台式版本的CT进行实验,这种CT是被研制用来观察材料结构而非人体的。
Employing doses of X-rays many times stronger than those used to study people, theyobtained high-resolution information about small pieces of fabric.
使用比人体研究高数倍的X射线剂量,他们获得了小块面料的高分辨率信息。
Computerised tomography allows the three-dimensional structure of the fibres in suchscraps to be recorded, with all their kinks and imperfections.
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