autopositive

常见例句

Autopositive A class of photographic materials which will yield a positive image from a positive original without an intermediate negative stage.
直接正片一种照相材料,可以无须经中间负片的步骤而把正片原稿复制为正片。
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:一种照相材料，可以无须经中间负片的步骤而把正片原稿复制为正片。
autopositive film
自转胶片