求翻译：本文根据对青海省德令哈市天文科普馆现场勘查的实际情况和国家相关标准，分析了直击雷和雷电感应以及雷击电磁脉冲对科普馆建筑外部、内部设备和人身安全所造成的影响，通过对科普馆进行了风险评估，此建筑物为第三类防雷建筑，信息系统防护等级为C级。从而提出系统全面的雷电防护方案。基于科普馆的自身特点，从防止雷电入侵，保障科普馆外部和内部所有设施的安全和正常运行，保障工作人员以及游客的人身安全几点出发，分别对直击雷防护、等电位连接、线路屏蔽、防雷电反击、设计安装SPD等五部分进行了系统的设计。是什么意思？

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This article based on the city, Qinghai Province's Astronomical Museum on-site survey of the facts and relevant national standards, with an analysis of the mine and has been the lightning induced lightning strikes as well as electromagnetic pulse to the exterior of the building, the museum's interna

According to this article on Astronomical Museum scene investigation of the actual situation of delingha, Qinghai province and relevant national standards, analysis of direct lightning and lightning induction, and lightning electromagnetic pulse on outside the Museum building, the impact of equipmen