该系统是唯一利用图像引导以及程控机器手的立体定向放射外科系统。

It is the only stereotactic radiosurgery system utilizing image guidance technology and a computer-controlled robotic arm.

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结果：外科系统和各专科的医院感染发生率随着危险指数等级的增加而呈上升趋势。

Results: Nosocomial infection incidence in the surgical ward indicated the increasing trend following the increase of the risk factor exponent.

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结论该医院住院病人医院感染现患率外科系统高于内科系统，感染发生率与病人的基础病和抗菌药物的使用密切相关。

Conclusion the infection rate of physical system was higher than surgical system. Hospital infection was closely related to the use of antibiotics in patients and fundamental factors of patients.

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