photolyten.光解质
photon.照片v.拍照
photoelectric register control光电定位控制
photoelectric orienting system光电定向系统
photoelectron treatment device光电离子治疗仪
photoelectric analogue divider光电模拟分压器
Photosynthetic Characteriseics光合特性
photoelectric detector crystal光电检出晶体
photo-degradation resistance抗光降解
photogrammetry by intersection交会摄影测量