In your museum what is the difference between using original artworks and copies?
你们博物馆使用原件和复制品有什么区别?
The method has very good watermark security and the watermark is extracted without using original unwatermarked image.
该方法嵌入的水印具有非常好的安全性,且水印提取不需要原始未加水印的图像。
Printing effect is good, clean appearance, using original ink U. S. imports of foreign technology, the vacuum processing quality and stability!
打印效果好,外表光洁,采用原装美国进口墨水、国外真空技术处理质量稳定!
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