radiology, radio, Radio Frequency Usage Reporting System, radio communication electronic warfare, radio-frequency magnetron sputtering, radio monitoring and management system, radio-frequency cold crucible method, Radionuclide ablation of thyroid gland, Radio Frequency Surveillance Subsystem, Radio Frequency Pain Management System, Radioisotope study of endocrine system, radiography of temporomandibular joint 返回 radioarsenic