A right - reading negative film is required for making letterpress printing plate.

制活版印刷用的电版,需要正读负片菲林.

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This is a negative film.

这是一张底片.

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Black - and - white dupe negative film.

黑白 翻底片(摄影).

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But with negative film, especially color negative , you're better off overexposing by one stop.

而对负片, 特别是彩色负片, 最好增曝一档.

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PCB materials, including flexible PCB, CCL, PI film, negative film and other substrate materials.

印刷电路板材料:软性电路板 、 铜箔基板 、 PI薄膜 、 底片等基材.

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Scribed lines: Lines scratehed into the emulsion of negative film. They will print as black rules.

刮线: 在底片乳剂上刻书的线条. 它将会印成黑色线条.

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Half - tone negative: The negative film image produced by shooting continuous - tone copy through a half - tone screen .

半色调阴片: 经 半色调 网片拍摄连续调图片所得的菲林底片.

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