头部结构较为独特。
本发明的各个方面使用了与所述片段相分离的简单和可扩展的头部结构,与单独的片段的类型和格式无关。
Aspects of the present invention utilize a simple and extensible header structure apart from the fragments independent of the type and format of the individual fragments.
对加速器机头部结构材料处、治疗室空气中的感生放射性水平及有关影响因素的研究现状作了较详细的讨论;
The radiation levels around the treatment head and in the air of the treatment room were discussed thoroughly . Some effects of the induced radioactivity were also mentioned.
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