photoprin照片, 像片photon.照片v.拍照photoelectric parameter光电参量(数)Photocoagulation of eye眼光凝固法photo affinity labeling光亲和标记photochemical threshold光化门槛,光化阈,光化限photoemission threshold光电发射阈值photolytic decoloration光解脱色作用photoelectron threshold光电阈photothermal conversion光热转化photoelectric deteetion光电探测photometric calibration光度校正