photoemf光电动势photon.照片v.拍照Photo-electric sensor光电传感器photoelectric threshold光电阈photo-electronics lab光电子实验室photochemical apparatus[医] 光化学器photocatalytic reaction光催化反应photovoltaic/thermal光电/光热photocatalytic material光催化材料photorefractive crystal光折变晶体photoelectric vibration[医] 光电振动(在圆锥、圆柱细胞内)photoreversible pigment光逆变色素