Back-emission electron radiography X-ray diffraction pattern computer 反向发射式电子射线照相X射线衍射图谱计算机
Transmission electron radiography direct electrophotography printer 透射电子X射线照相术直接电子照像印刷机
Methods Gastric contrast ultrasonography gastroscopy, electron endoscopy and gastrointestinal radiography ( GI) were used to examine gastric bulgy lesions confirmed by operation and ( or) pathology. 方法对109例经超声、胃镜和X线胃肠造影(GI)进行检查后经手术或和病理证实的患者进行对比研究。