Diazo-film is widely used for duplicating microfilms, because it possesses the advantages of good, color, very high resolution, and lower cost than that of conventional silver-halide films.

• 摘要重氮片被广泛应用于缩影片的复制，是因其具有优良的色泽，极高的解像力，更重要的是较银塩片经济。