photon.照片v.拍照
photocatalysis of titanium dioxide二氧化钛光催化
photometric redshift determination测光红移测量
photoelectromagnetic photodetector电磁光电检测器
photosyn thetic electron transport光合电子传递
photo tube type fraction collector光电管型分次收集器
Photosyn- thesis characteristics光合特性
photocopied western language books影印版西文图书
photo-electric triangular method光电三角测量法