单位面积散热量
heat flow rate per unit area
单位地面面积散热量
heat release per unit floor area
单位面积氮含量
area based leaf nitrogen concentrations Narea
单位面积断裂功
fracture energy pre unit areas
fracture energy pre unit area
单位面积干燥器处理能力
throughput per shelf area
单位面积光通量
luminous flux per unit Area
单位面积建筑能耗
building energy consumption per unit area