Answer: Radioactive material falling from the air or carried in rain water or snow, can deposit on the surface of foods like fruits and vegetables or animal feed.
答：从空气中或者通过雨水落下来的放射性物质可以沉积到诸如水果和蔬菜等食物的表面或动物饲料中。
Lead isotope research shows that lead in ores of Mujiazhuang copper deposit and near ore country rocks is characterized by being rich in radioactive lead.
铅同位素结果研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有富含放射性成因铅的特点。
The Mujiazhuang copper deposit with high radioactive lead isotope compositions is located in Zha-shan area of the South Qinling Orogenic Belt.
具有高放射性异常铅的穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
The Mujiazhuang copper deposit with high radioactive lead isotope compositions is located in Zha-shan area of the South Qinling Orogenic Belt.
具有高放射性异常铅的穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
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