phototypyn.凸版照相术
photon.照片v.拍照
photogrammetric office work航测内业
photosensitization eruption光敏性药疹
photometric-stereo method立体测光法
Photocatalyzing degradation光催化降解
photoelectric image collect连续显示
photovoltaic pumping system光伏水泵
photoelectrochemical method光电化学法
photoconductive gain factor光电导增益系数