常見例句Autopositive A class of photographic materials which will yield a positive image from a positive original without an intermediate negative stage. 直接正片一種照相材料,可以無須經(jīng)中間負(fù)片的步驟而把正片原稿復(fù)制為正片。Autopositive: A class of photographic materials that will yield a positive image from a positive original without an intermediate negative stage. 直接正片:一種照相材料,可以無須經(jīng)中間負(fù)片的步驟而把正片原稿復(fù)制為正片。autopositive film 自轉(zhuǎn)膠片 返回 autopositive