photom.abbr.=photometry
photon.照片v.拍照
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