Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/60bbfa8f2c412617e7a240e1ce3997cc.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 enumeration district是什么意思，enumeration district的翻译，enumeration district音标、读音、用法和例句_果味酸柯林斯词典
Choropleth maps: Mapping data collected in enumeration units, such as country, province and district, by shading them according to a variable or attribute. 面量图：根据该空间单位的数值涂上不同颜色，地图数据多由国家、省份或地区等单位收集得来的。