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X光是一种有能量的电磁波或辐射具有穿透性,对不同密度的物质有不同的穿透能力,在医学上X光用来投射人体器官及骨骼形成影象,用来辅助诊断。CT是指计算机X射线断层扫描技术,可以成像二维(2D)横切
X-ray is an energetic electromagnetic wave or radiation which has penetrability and different penetrating ability to different density substances. In medicine, X-ray is used to project the image of human organs and bones to help diagnose. CT refers to computed tomography and can image two-dimensional (2D) transection