印刷防伪技术是一种综合性的防伪技术，包括防伪设计制版、精密的印刷设备和与之配套的油墨、纸张等。单纯从印刷技术的角度来看，印刷防伪技术主要包括：雕刻制版、用计算机设计版纹、凹版印刷、彩虹印刷、花纹对接、双面对印技术、多色接线印刷、多色叠印、缩微印刷技术、折光潜影、隐形图像和图像混扰印刷。
电子护照与非电子护照看上去几乎相同，只是它融进了新的数字加密和印刷技术，并且防伪设计也更加严密。
An electronic passport looks almost the same as a non-electronic one, but it has new digital encryption and printing technologies and is designed to foil forgers.
本文意在提出一种行之有效基于数字水印技术的印刷品防伪算法。
This paper is intended to advance an effective printing forgery prevention algorithm basing on digital watermarking technology.
货币的防伪技术主要反映在制版、雕刻、印刷等技术和印刷材料如纸张、油墨上。
The technology against counterfeit money is mainly reflected in plate making, engraving, printing, printing materials and printing ink.
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