activity median aerodynamic diameter的意思|示意

活动中值空气动力直径 mass median aerodynamic diameter 释义总气体动力学中位数直径 activity median aerodynamic diameter 活动中值空气动力直径 Mass Medium Aerodynamic Diameter 质量中位粒径 ..

活度中值空气动力学直径 活度中值空气动力学直径 activity median aerodynamic diameter 土壤湿度中子测定仪 soil moisture neutron probes ..