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["一级分类","编码","父级编码","品目名称","说明"]
["A","A05","A0","房屋和构筑物1","警察业务用房"]
["A","A0501","A05","房屋和构筑物2","房屋和构筑物"]
["A","A050102","A0501","房屋和构筑物3","房屋和构筑物"]
["A","A05010201","A050102","房屋和构筑物4","房屋和构筑物"]