normal airn.标准空气normaladj.正常的；正规的；精神健全的n.常态；标准normal inertial force法向惯性力normalizing operation标准化操作normal silver sulfate[机] 硫酸银Normal erythropoiesis正常红细胞生成normal-seated cabin正常坐姿驾驶舱normal fence diagrams正栅栏图normalizing algorithm规范化算法normal deviate medium正态中位绝对差normal axis deviation心电轴正常, 正常电轴偏移normal failure period正常失效期