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1997年9月,对西安口岸两个入出境集装箱储存场地的环境外照射水平作了调查,了解了口岸环境的天然外照射水平,为西安地区的进出口货物、集装箱的放射性监测工作打下了基础。
In September 1997, an investigation was conducted on the level of ambient exposure of two entry and exit container storage sites in Xi’an Port. The understanding of the natural external radiation level of the port environment laid the foundation for the radioactive monitoring of import and export goods and containers in Xi’an .