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photospheric radiation光球辐射photoelectric coupling光电耦合photoflash composition摄影闪光混合物photo-induced effect光诱导效应photovohaic water pump光伏水泵photo damage threshold光损伤阈值photoelectric activity光电激活度photoresistance effect光敏电阻效应photoelastic equipment光弹性仪photo elastic analysis光弹性分析