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