photogramn.黑影照片(传真电报)
photon.照片v.拍照
photoelectric obscuration smoke detector减光型光电感烟探测器
Photoperiod sensitive genic sterile line光敏核不育
photocopied according to requirements.根据复印的要求。
photoelectric measurement by null method零点法光电测量
photosensitized destruction of histidine组氨酸光敏降解法
Photoperiod-sensitive female sterility光敏感雌性不育性
photovoltaic grid-connected generation太阳能并网发电
photosynthetic physiology characteristic光合生理特性
photoacoustic multicomponent immunoassay光音响多组分免疫测定