photom.abbr.=photometryphoton.照片v.拍照photosensitive performance光敏性Photoelectricity measuring光电检测photovolt reflection meter光电压反射计photoeatalytic degradation光催化降解Photorefracfive properties光折变性能Photobacterium sarcophilum[医] 嗜肉发光菌photofluororoentgenography荧光X线照相术photoelectric extensometer光电延伸计photoperiodical inhibition光周期抑制photo-cathode light flux光电阴极光通量