【经】 正常(态)分布

假设排污量是服从对数正态分布的随机变量，并且以潮周期内水质达标的概率作为衡量控制点达标的依据。

New normal

bivariate normal distribution

permanent normal trading relations (PNTR)

principal disjunctive normal form

completely normal space【数】;full normal space【数】;perfectly normal space【数】

normal operation condition

nonnormal population

low renin,normal aldosterone