铁版照相直接在用感光底片上了光的铁盘上制成的相片正像 A positive photograph made directly on an iron plate varnished with a thin sensitized film.
在（文献）资料复制机中，感光材料曝光以后的处置，以显现和保留图象。 In a document copying machine, the treatment of sensitized material after exposure so as to reveal and to retain the image.
感光性对光的敏感和感应性 Sensitivity or responsiveness to light.
