Colour reversal: a colour film or paper which produces a positive image directly from a positive original.

彩色反转：一种彩色菲林或相纸，它把阳图原稿直接复制成阳图。

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Colour reversal: a colour film or paper which produces a positive image directly from a positive original.

彩色反转：一种彩色菲林或相纸，它把阳图原稿直接复制成阳图。

youdao