radio mes高频手术刀radion.收音机；无线电v.用无线电通讯radiologic decay constant放射衰变常数radio relay trunk service无线电接力干线通信业务radiologic safety control放射性安全管理radiopharmaceutical agent放射性药剂radio ionization detector放射性电离检测器radiopaper chromatography放射纸色谱法radionuclide esophagogram放射性核素食管造影照片Radiofrequency-ablation射频消融radiobiological principle放射生物学原理radiochromatic dose glass变色剂量玻璃