a印刷制版技术以及数码技术组合应用。可自由变化字体的大小粗细,可借助放大镜等仪器来识别辨认,可电话或者网站查询,防扫描、防电分、防制版照相、防复印。 Printing plate technology as well as digital technology combination application.But free alternation typeface size thick thin, may draw support from ...