而 彩色负片则与彩色正片不同,第一是其色彩再现与实际景物成互补关系,第二是密度范围小,第三是存在着色罩(ColorMask)影响,而色罩本身随感光材料 制造工艺及冲洗条件变化而变化,且极不稳定,这些给分色作业带业了许多不利。
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比如,在油画《圣母子与圣安妮》中,圣女的脸上的阴影部分涂上的罩色漆与婴儿身上的罩色漆所含成分不同。
For example, in the painting “The Virgin and Child with St Anne”, the virgin's face is shadowed by glaze that contains different pigments to those in the shadowing glaze on the child.
飘荡在半空中的冬雾呈现出灰法兰绒色,将萨利纳斯山谷严实地罩了起来;同时也把它与外界分隔开。
Thee high grey-flannel fog of winter closed off the Salinas Valley from the sky and from all the rest of the world.
中涂漆、实色漆、闪光漆、罩光清漆品种齐全,具有优异的附着力和光泽,三防性能良好,装饰效果优异。
Medium paintand paint flash range have excellent adhesion and gloss, the performance of three types of pretention, and excellent decorative effect.
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