| 单词 | Radiotherapy,Megavolt |
| 释义 | Radiotherapy,Megavolt《英文msh词典》Radiotherapy,Megavolt [入口词] Radiotherapy,Megavolt [主题词] Radiotherapy,High-Energy [英文释义] Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays,produced by a radioisotope within a teletherapy unit; x-rays,electrons,protons,alpha particles (helium ions) and heavy charged ions,produced by particle acceleration; and neutrons and pi-mesons (pions),produced as secondary particles following bombardment of a target with a primary particle. |
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