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["主城开始等级","主城结束等级","主城外观ID","模型","预览图"]
[1,10,0,"building_ytlds01","Thumbnail_Background_Image_Main_City_General1"]
[11,20,0,"building_ytlds02","Thumbnail_Background_Image_Main_City_General2"]
[21,25,0,"building_ytlds03","Thumbnail_Background_Image_Main_City_General3"]
[1,10,1,"building_yazhou01","Thumbnail_Background_Image_Main_City_Asia1"]
[11,20,1,"building_yazhou02","Thumbnail_Background_Image_Main_City_Asia2"]
[21,25,1,"building_yazhou03","Thumbnail_Background_Image_Main_City_Asia3"]
[1,10,2,"building_ouzhou01","Thumbnail_Background_Image_Main_City_Europe1"]
[11,20,2,"building_ouzhou02","Thumbnail_Background_Image_Main_City_Europe2"]
[21,25,2,"building_ouzhou03","Thumbnail_Background_Image_Main_City_Europe3"]
[1,10,3,"building_zhongdong01","Thumbnail_Background_Image_Main_City_Middle_East1"]
[11,20,3,"building_zhongdong02","Thumbnail_Background_Image_Main_City_Middle_East2"]
[21,25,3,"building_zhongdong03","Thumbnail_Background_Image_Main_City_Middle_East3"]