photofetn.光控场效应晶体管
photon.照片v.拍照
photoperiod sensitivity光照敏感性
Photoscotosia albiplagan.花斑幅尺蛾
photocatalytie activity光催化活性
photocatalyticoxidation光催化氧化
photochemical inversion光化转化
photovoltaic technology光生伏打技术
Photoelastic experiment光弹性试验
photoelectric separator光电选矿机
photosensitive detector光敏检测器
photoelectric equipment光电设备