集水面积阈值
catchment threshold values
drainage area threshold
水道给养面积阈值
contributing area threshold for a stream
阈值面积区域消去法
the way of threshold value area expunction
阈值面积消除
threshold value area expunction
垂直截面面积
Perpendicular cross section area
单位地面面积散热量
heat release per unit floor area