photofetn.光控场效应晶体管photon.照片v.拍照photo electric controls光电控制器photoelectric regulator光电调节器photoeleetricity method光电法photo-conductive cell光电导管, 光敏电阻photosynthetic capacity光合能力photochromic phenomenon光致变色现象photocathode efficiency光阴极效率photovoltaic conversion光电转换photoelectric detecting光电检测photocatalyzed labeling光催化标记