Photofitn.(警方根据证人对嫌疑犯或罪犯脸部和头发特征的描述综合多张照片而成的)照片拼凑人像法photon.照片v.拍照photovohaic generation光伏发电photosensitive diamine光敏性二胺photoelastic technique光弹性技术photoelectric sequence光电星等序photo voltaic junction光电压结, 光生伏打结photoelectrical effect光电效应； 哈耳瓦克(氏)效应photoreceptive process光感受作用photovoltaic detection光生伏打探测photo color separation照相分色photothermal expansion光热膨胀