最新的治疗-质子放射治疗-包括一个质子加速器，可以像一个足球场那样庞大。
The latest treatment - proton radiation therapy - involves a proton accelerator that can be as big as a football field.
他还说在地球上正接收质子或碳离子新辐射疗法治疗的癌症患者也会从该放射量测定器收益。
Cancer patients here on Earth who undergo new forms of radiation therapy using protons or carbon ions, said Borak, could also benefit from the dosimeter.
对于放射外科来说，塑造治疗射野最简单的方法是采用单一、固定的准直器。
The simplest approach to radiosurgery is to use a single, fixed collimator to shape the treatment field.
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