phototypyn.凸版照相术
photon.照片v.拍照
photovoltaic steel-making光伏炼钢
photoabsorption coefficient光吸收系数
photoluminescence quenching荧光淬火
photometric characteristics配光性能
photoimageable silver paste光敏银浆
photochemicaltransformation光化学转化
photo-mechanical scanning光机扫描图像
photoelectrochemical effect光电化学效应
photoelectric confrontation光电对抗
photoelectric input machine光电输入机