因为下面的女人的脸也出现在梵高画过的画布上，所以这幅凸版印刷一定是梵高的自画像。
Because the face of the woman in the under image also appears on canvases Van Gogh is known to have painted, the surface painting must be an authentic self-portrait by Van Gogh.
标签印刷通常在窄幅、八色的多工序印刷机上进行，这种机器兼容柔版、网版、柯式和凸版等多种印刷方法。
Label printing is frequently performed on a narrow-web, eight-colour multi-process printing machine that allows for the combination of flexo, screen, offset and letterpress printing.
这就是当今数字化排印领域中罕见特排字体的原因，虽然它们在凸版印刷的时代盛行一时。
This is why display cases are rarely found in the world of digital typography, whereas they were once common in letterpress printing.
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