设计了高效的公平电子合同签名交换协议，有利于签名交换的顺利完成。
Applying a efficient Fair Electronic sign exchanging protocol. It is useful for people to exchange their signature.
但是，请用电子邮件发送付有您签名的合同，以便我可以看得清楚点。
After you have confirmed receipt of the contract, please make the prepayment to us as soon as possible.
文章第四部分，涉及了与合同订立紧密相关的电子合同形式、电子签名和电子认证制度等诸多内容。
Part IV deals with those contents closely related with conclusion of contract, such as the forms of electronic contract, electronic signature and electronic authentication etc.
电子签名与电子认证存在内在的关联性，电子认证所提供的是一种信用服务，是一种合同关系。
Electronic signature is associated with electronic authentication. Electronic authentication is a credit service and it is also a contract.
经修订的合同买方回报完全赞同和电子密封，与授权人的签名，指定，公司印章，和银行信息。
The Buyer returns amended Contract fully endorsed and sealed electronically with its authorized-person signature, designation, company stamp, and its bank details.
二者的统一成立有效的电子商务合同，衍生出电子商务合同成立的时间、地点、数字凭证以及电子签名的法律效力等问题。
Consequently, problems on the legal power of contracts arise such as the time and place of concluding the contract, digital evidence and electronic signature.
二者的统一成立有效的电子商务合同，衍生出电子商务合同成立的时间、地点、数字凭证以及电子签名的法律效力等问题。
Consequently, problems on the legal power of contracts arise such as the time and place of concluding the contract, digital evidence and electronic signature.
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