❶ 谁能帮我解释一下这些医疗影像术语，CR,CT,DX,ECG,ES,GM,MR,NM,PT,RT,RF,US,XA,XC
CT = Computed Tomography 计算机断层摄影MR = Magnetic Resonance核磁共振影像 RF = Radio Fluoros 无线荧光透视XA = X-Ray Angiographyx光血管摄影US = Ultrasound超音波 NM = Nuclear Medicine核子医学