Photoa茎点霉属photon.照片v.拍照photomutant光敏突变体photoperiodn.光周期photocauter放射烙器, 放射烙数photostress光测弹性应力分检用材料, 光应力photoceptor[医] 光感受器photoformern.光电函数发生器photo essay摄影小品photo booth机器拍照亭photo radar光雷达photocolour光赋色