photoxiden.光氧化物
photon.照片v.拍照
Photo Reproduction Branch照片翻印部门
photo-electric detector光电感察器
photoelectrochomical cell光电化学电池
photoelectrochemical celln.光电化学电池
photoexcitation mechanism光致激发机构
Photoelectricity encoders光电编码器
Photodynamic therapy drug光动力治疗药
photometric standard lamp标准电灯
photorefractive materials光折变材料
photoelectric transmitter光电发报机