normal
习惯用语(be) normal to1.■垂直于..., 对 ... 成直角off normal1.■离位; 不正常特殊用法affine normal1.■仿射法线affine principal normal1.■仿射主法线analytically normal1.■解析正规的asymptotically normal1.■渐近正态的common normal1.■公法线exterior [inner] normal1.■外[内]法线geodesic normal1.■测地法线incident normal1.■入射法线inflectional normal1.■拐法线limit normal1.■极限法线outer normal1.■外法线polar normal1.■极法线, 极法距positive normal1.■正法向principal normal1.■主法线projective normal1.■射影法线summer normal1.■[美]暑期师资训练班surface normal1.■曲面法线twice normal1.■二规度unit normal1.■单位法线wave normal1.■波(面)法线