arealadj.面积的；地区的；广大的arean.面积；地区，地段；区域；领域area resistance面积电阻area frame work面积平分法area decreasing湖水面积减小area memory map区域存储变换area flow meter面积量计area photometry面源测光area of bearing支承面Area morphology面积形态学area equivalent面积等效法area of aquifer含水层