The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.
卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。
Mr Earp added: 'What's interesting is the ironic effect of the negative image.
伊尔普先生还说，“令人感兴趣的是负面图像的反讽效果。”
Perhaps the greatest by-product of this softer approachis you are not building a negative image that may be nearly impossible to eraselater.
使用温和手段的最大效果就是，你不会给自己建立一个负面形象，而且是事后几乎不可能消除的那种。
Seen here on June 13th from southern New Mexico, this Comet McNaught's long ion tail sweeps across the telescopic field of view (a negative image is inset).
这是6月13日新墨西哥南部所见，麦克·诺特的长离子尾扫过望远镜的视野，插图是负片。
What's description file for negative image?
负样本的描述文件是什么样的？
What's description file for negative image?
负样本的描述文件是什么样的？
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