?天顶照相仪

... 天顶照相术 zenith photography 天顶照相仪 zenith astrograph 照明 lighting; illumination; clearing luminary; enlighten; throw light on; emblaze 舞台照明 stage illumination; 照明电路 lighting circuit; 照明度 [物理学] intensity of illumination; illuminance; illuminancy; illumination; 照明光源 lighting source; 照明火箭弹 light rocket; 照明系统 illuminator; 照明线路 illuminating line; 照明信号 illumination sign; 照明装置 illuminator; intensifier; lighting installation ...