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调查天然电离辐射外照射水平,可为研究人工电离辐射源对环境的污染提供背景值。为此,我们于1983年5～8月,对乌鲁木齐市的天然电离辐射外照射水平,进行了调查。
Investigating the level of natural ionizing radiation exposure may provide a background value for studying the environmental pollution caused by artificial ionizing radiation sources. To this end, we conducted a survey on the level of external ionizing radiation exposure in Urumqi from May to August 1983.