photopian.光适应(眼对光调节)photon.照片v.拍照photo rejuvenation光子嫩肤photo-ionizationn.光致电离photoaging-model光老化模型photochromic fiber光致变色纤维photovoltaic solar光伏发电系统photoreversibilityn.光致可逆性photoelectron beam光电子束photosulfoxidationn.光磺氧化photocycloaddition光环加成photometrie method光度法