normal end标准端normaladj.正常的；正规的；精神健全的n.常态；标准normal annual yield法正年伐量normal to a surface曲面的法线,表面的法线normal visual field正常视野normal word-order正常词序normal-metal ring正常金属环normal power supply正常供电normal control wire定位控制线normal demand curve正常需求曲线normal saline enema生理盐水灌肠(剂)normal neighborhood正规邻域