成核期积分平均速率法
method of integral mean rate during nucleation
the method of nucleation period integral mean rate
单车平均轴载
Average axial load of single vehicle
根系吸磷平均速率
Average root-phosphorus-uptake rate
径向平均速度
average velocity of radial
局部平均速度结构函数
locally averaged velocity structure function
空间平均平衡密度
spatial averaged equilibrium density
路段平均速度
road section average speed