漏辐射率
In the step experiment, background radiation and radiation leakage in both the treatment room and the surrounding during the stereotactic radiotherapy were measured under the on state and off state of the Gamma Unit.
通过分步设计实验,测量出γ-刀立体定向放射治疗中,在开机与关机两种情况下,治疗室内及周围环境的背景辐射与辐射渗漏。
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