Relief: A variarion of elevation in embossing, a raised effect of the images is obtaimed.
凸纹：由浮凸压印造成的不同程度的隆起层次，使印纹有浮凸效果。
Relief rainbow holograms are the base of embossing for holograms and they in essentially contrpl the quality and performances of finished products.
浮雕型彩虹全息图是全息图模压复制的基础，它从根本上决定了最后成品的质量和性能。
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