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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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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X-ray computed tomography (CT) reconstructions are often limited by metal artifacts from corrupted data.

射线CT系统的成像质量往往受到金属伪影的严重影响。

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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.

FORBES: Old Technology Fuels New Energy Boom

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).

BBC: Study into health impact of MRI