区域: area; beat; reach; domain; p ...线: thread; string; wire周: circumference; periphery; ci ...界线: boundary line dividing line; ...周界线: perimeter; rim区域线: cordon line周界线境界线: cordon line防火区周界线: protection boundary机场的周界线: the perimeter of an airfield等值区域线图: choropleth map区域线性构造: lineament structure应力集中周界线: circumferential line of stress concentration区域线性构造体系: lineament system区域境界线: area delimiting line周界: circumference; perimeter 一道篱笆标明了那块田地的周界。 a fence marked the perimeter of the field生物区域界线: biochore; biocide植物区域气候界线: biochore周界;周界长度: perimeter界线: 1.(两个地区分界的线) boundary line2.(不同事物的分界) dividing line; threshold; ora; limits3.[数学] boundary line外周界: external cordon周长;周界: perimeter周界的: circumferential省级行政区域界线测绘规范: specifications for provincial boundary surveying and mapping是指标明一区域外缘的明确界线: a boundary is a precise line marking the outer limits of an area *boundary标界区周界: perimeter of a perimeter-marked area