photogramn.黑影照片(传真电报)
photon.照片v.拍照
photoelectric cut-off register control光电切断点控制
photosynthetic nitrogen-use efficiency光合氮素利用率
Photos from ShiJiaZhuang exhibition stop石家庄站图片
photoelectrically balanced potentiometer光电平衡电位计
photorefraetive photonie crystal lattice光折变光子晶格
photoelectric interferometric comparator精密三轴坐标量测仪
photoelectric smoke-density controller光电烟密度控制器
photoelectric classsification of crystal[电] 晶体的光电化类