电子签章的出现，一定程度上解决了这方面的安全问题。
The appearance of electronic signature has solved this problem to a certain extent.
系统开发涉及身份验证、数字签名与传输加密、工作流定义、审批应用、电子签章和痕迹跟踪等关键安全技术。
Many key security technologies are involved, such as ID authentication, digital signature and transfer encryption, workflow definition, accreditation application, electronic seal and trail trace.
该算法基于电子签章系统，通过在印章图像中嵌入可见数字水印提高印章图像隐藏信息的能力，得到了较好的效果。
The arithmetic bases on the digital seal system. By embedding visible watermarking to the seal image, improving the ability of the seal image to hide information, and obtained good result.
本课题的成果既可以作为单独的系统使用，亦可提供良好的接口与已有的系统集成，解决了目前电子签章系统复用性差、使用困难的问题。
The Electric Seal Management System can be used separately or integrate with the other Information Systems by providing application programming interface. In this paper.
因此，我通常会建议客户，即使已经有传真或电子版合同，也应当要求生产商快递送回签章的原件合同。
Therefore, normally I suggest my clients to request the manufacturer send them back original contract with signature and chop, even they already have electronic or faxed contract.
因此，我通常会建议客户，即使已经有传真或电子版合同，也应当要求生产商快递送回签章的原件合同。
Therefore, normally I suggest my clients to request the manufacturer send them back original contract with signature and chop, even they already have electronic or faxed contract.
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