X-CT computed tornography tomno:Greek tomos[section 希腊语tomos[切面] graphy:Latin -graphia,from Greek,from graphein.writing or representation in a (specified)manner or by a(specified) means or of a(specified)object computerized axial tomography (CAT) 计算机控制（横）轴向(X线)断层（扫描）术 X-CT computed tomography tomo: Greek tomos[ section ] 希腊语 tomos[ 切面 ] graphy: Latin -graphia, from Greek, from graphein. writing or representation in a (specified) manner or by a (specified) means or of a (specified) object. computerized axial tomography (CAT) 计算机控制〔横〕轴向〔X线〕断层〔扫描〕术