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介绍了《环境电磁波卫生标准》中辐射强度安全区域的划分、环境电磁波容许辐射强度的分级标准；《电磁辐射防护规定》中职业照射、公众照射的导出限值；结合实例计算了电视广播信号的复合场强和功率密度；讨论了电视广播信号对周围电磁环境的影响。
This paper introduces the division of radiation intensity safety zone in environmental sanitation standards and the graded standard of radiation intensity of environmental electromagnetic wave; the derivation limits of occupational exposure and public exposure in the Provisions of Protection of Electromagnetic Radiation; Composite field strength and power density; discusses the impact of television broadcasting signals on the surrounding electromagnetic environment.