1.  hard contrast
2.  high contrast

• 1. 高反差: hard contrast
• 2. 高反差保留: high pass
• 3. 高反差显影液: high-contrast developer | lith developer

更多释义

• 1.高反差是印刷用感光材料的重要特性。
  High contrast is essential for printing plate technology.
  dict.yoduao.com
• 2.控制被修改的阴影部或是高反差部分的色调范围。
  Tonal Width Controls the range of tones in the shadows or highlights that are modified.
  dict.yoduao.com
• 3.高反差彩色相纸是目前通用优质负一正彩色相纸。
  The high-contrast colour paper is commonHgh-quality negative-positive colour paper.
  dict.yoduao.com

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