A type of X-ray called spiral computedtomography 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。
2
The special setting for precise positioning of the X-ray source in industrial ComputedTomography (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。
3
Objective To research the value of X-ray and ComputedTomography(CT)in Congenital Megaureter.