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  产品与服务网屏编码技术PI1产品介绍PI1信息安全功能介绍

防止篡改-Anti-falsification
篡改件（Falsification）
PI1使用后（Deal With By PI1）
　 可将证明内容全部埋在纸面上，虽然证明表面内容可被篡改，但是埋入的信息不可篡改，可彻底防止证书证件的伪造。
　　Could embed the content of the certificate in the paper,It does not matter if the surface content are falsified,because the embedded information could not be altered or modified.It can completely prevent the forgery of certificates.