Radiolcgy放射学radion.收音机；无线电v.用无线电通讯radio-frequency gain control射频增益控制radioisotope teletheraphy unit放射性同位素深部治疗机radionuclide angiocardiography放射核素心血管(闪烁)照相, 放射性核素心血管造影术radiotelegraph distress signal无线电报呼救信号radio telegram autotransmitter无线电报自动拍发器radio interference suppression无线电干扰抑制Radiofrequency induced thermal射频消融radio-call service surcharge电召服务附加费Radiography of symphysis menti下颌联合X线摄影[术]radioimmuno-screening method放射免疫-筛选方法