photoconn.光电导元件(光导器件)photon.照片v.拍照photoetched antenna光刻天线photoacoustic pulse光声脉冲photo-resist coat涂胶photoelectric relay光电继电器photoresist coating光致抗腐蚀涂覆photosensitive tube光敏管photo-image times影像时代photoelectron yield光电子产率Photo - reduction光催化还原photocell pyrometer光电池高温计,光电管高温计