前期有效雨量
antecedent effective rainfall
effective antecedent rainfall
大雨/暴雨雨量和雨日数
heavy and storm precipitation and raining days
半数有效量
polymerase chain reaction
ED_ 50
mean effective dose
median effective dose
ED50
成本绩效度量基线
cost performance measurement baseline
催眠半数有效量
hypnotic median efective dose
当量有效热导率
nondimension effective conductivity
地面运动强度度量参数
ground motion intensity measure