特殊用法administrative district1.行政单位air pollution control district1.空气污染控制区automatic block district1.自动闭塞区段backcountry district1.边远地区biotic district1.生物区(域)building maintenance district1.房产段central business district1.商业中心区close district1.[美]两党实力几乎相等的选区commercial district1.商业区controlled district1.控制区段critical district1.标准区域cross connection district1.交接区densely inhabited district1.居住拥挤[人口密集]地区downtown business district1.城市商业区dwelling district1.居住区emergency district1.禁伐林区engine district1.机车牵引区段financial district1.金融区fire district1.防火区free district1.自由(贸易)区grazing district1.放牧区heavy loading district1.重负荷区industrial district1.工业区inundated district1.(水)泛区Lake D-1.英格兰西北部的 湖泊地区large-scale industrial district1.大型工业区locomotive working district1.机车牵引区段mountain district1.山区ore district1.矿区outlying business district1.市郊商业区quasi-industrial district1.准工业区ranger district1.保护区, 园林员管 理区red-light district1.[美]红灯区, 妓院很多的地区residential district1.居住区rural district1.农村地区schooldistrict1.[美]学区senatorial district1.[美]参议员选举区snowy district1.多雪地区soil conservation district1.土壤保持区territorial district1.行政单位train crew district1.列车段urban district1.市区urban industry district1.城市工业区underground coal mining district1.井下采煤区district of a forest-ranger1.森林管理区