面: face光: light; ray八面光: (of character) manage to please everybody背面光: back light单面光: machine glazing缎面光: satin finish后面光: back wall photovoitaic两面光: (try to) please both parties; ingratiate oneself with both sides; try to keep the favour of both sides; run with the hare and hold with the hound; offend neither side面光滑: plane light source面光源: area source; surface light source; surface source面光栅: concave grating; concentrating flux plate下面光: lower light一面光: smooth-one-side正面光: front light凹面光栅: concave grating半球面光源: hemispherical source背面光泽度: back surface luster背面光照明: back bias表面光电压: surface photovoltage表面光度: finish表面光度计: profilograph; profilometer表面光度仪: profilometer; roughoeter; talysurf表面光滑: smooth surface表面光滑的: ganoid表面光滑度: surface flatness