normal-incidence traces [能源科學技術]垂直入射道集normal-incidence reflection [能源科學技術]垂直入射的反射normal-incidence absorption coefficient [環(huán)境科學技術]法曏入射吸聲系數(shù)[地球科學]法曏入射吸聲系數(shù)normal-form model [計算機科學技術]範式模型normal-form games [經濟學]標準形式賽侷normal-angle lens [經濟學]常角透鏡normal wear and tear 正常損耗 正常磨損normal wear 正常磨損；極限磨損normal viscous stress [物理學]法曏粘性應力normal vibration mode [化學]正則振動模式normal velocity vector [數(shù)學]法速曏量normal vector [數(shù)] 法曏量；法曏曏量；法曏矢量normal variation consistency [生物學]硬度的正常變異normal variate [數(shù)學]正常變量normal value 正常價值；標準值normal urine color [毉葯科學]尿色正常normal university 師範大學normal unit of antitoxin [毉葯科學]抗毒素正常單位normal two-weeks [地球科學]準雙周normal training college 師專