0020078013001800100060066034´30023026´0023026´30066034´欧亚非澳北美南美世界地图1102810161016100410161016100810089961016100410081024101610161008100810041024103610241008世界气候类型图亚洲政区图40023026´2000060066034´66034´60060080010001200亚洲地图欧洲政区图欧洲国家拆迁图欧洲地图60040066034´200002004006005.15.14.74.94.94.74.54.34.3非洲政区图2000020040023026´30030023026´00非洲地图北美洲政区图1200100080023026´66034´400200北美洲地图300南美洲政区图10008006004002000020040023026´南美洲地图10090090018000013001350140045040035070078080090030023026´200100南亚地图美国农业区域专业化中国行政区划图ABDC中国地图800900100011001200500400300200130035023026´8009001000110012005004003002001300350人口密度（人/km2）＞500300—500100—30010—100＜10单位：万公顷＞1000＜100100~500500~1000图例湖泊河流山峰国界506869953248506830001000温度带图年降水量图干湿地区图迁移方向与规模250km输气管道HABCDFEG57142840030030020010030040040050050030020040050002Km北
