A type of X-ray called spiral computed tomography or CT can find lung cancer early, but it is expensive and also finds non-cancerous lesions that are expensive and risky to test.

一种立体计算机体层扫描能够发现早期肺癌，但费用昂贵，并能发现一些检测昂贵、有风险的非肿瘤病变。

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The special setting for precise positioning of the X-ray source in industrial Computed Tomography (ICT) system has been made, and the testing program has been developed.

为了实现工业CT系统射线源的精确定位，设计了射束中心位置测试专用装置，并开发了测试程序。

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Objective To research the value of X-ray and Computed Tomography(CT)in Congenital Megaureter.

目的：探讨X线与CT对先天性巨输尿管症的诊断价值。

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"To put that into context, 20mSv is the same dose you get from three computed tomography (X-ray) scans of your chest, roughly, " she told reporters.

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The early use of fracking to get at reserves previously thought of as unrecoverable, shortly after the turn of the 21st century, came about after exploration companies began examining geologic formations using x-ray computed tomography, or CT scanners.

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The technique can provide excellent, detailed images of the body's soft tissue and is an alternative to using X-ray techniques such as computed tomography (CT).

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