面积: area平均: average; mean径: footpath; path; track体积平均径: volume mean diameter体积平均沸点: volume-mean boiling point体积平均通量: volume-averaged flux体积平均压力: volumetric average pressure体积平均直径: volume mean diameter面积平均压力: area mean pressure; areal average pressure体积长度平均径: volume length mean diameter按体积平均孔隙度: bulk porosity按体积平均渗透率: bulk permeability沉积面积: area of deposition; depositional area淤积面积: area of deposition长度平均径: length mean diameter处平均径流: mean annual runoff低平均径: harmonious mean diameter几何平均径: geometric mean diameter年平均径流: mean annual runoff平均径流量: average runoff平均径流率: mean runoff rate算术平均径: arithmetic mean diameter线平均径: linear mean diameter质量平均径: ma mean diameter; mass mean diameter体积平衡: volumetric balance; volumetric equilibrium