photocyte光细胞photon.照片v.拍照photochemical derivatization光化学衍生Photoelectric measure system光电测量系统Photo absorption performance光吸收性能photocatalytic sterilization光催化杀菌消毒photomagnetic disintegration光磁蜕变,光磁分裂Photodegradable plastic film光降解地膜photoconcentrating collector光集聚器photosensitive glassceramics光敏微晶陶瓷photometric brightness scale光度亮度范围,光度亮度划分Photosynthetic physiological光合生理